Definition of tube in English:

tube

noun tjuːbt(j)ub

1A long, hollow cylinder of metal, plastic, glass, etc. for holding or transporting something, chiefly liquids or gases.
（金属、塑料、玻璃等材料制的）管，管子
a plastic tube is connected to the tap and the beer is ready to be pulled
笼头上接了根塑料管子，这样啤酒就可以随时汲取出来了。
Example sentencesExamples
- To perform this experiment a little oil of turpentine was placed at the bottom of a glass tube surrounded with boiling liquid air.
- He punctured my eardrum, drained the fluid and inserted a plastic tube.
- The root system was submerged in nutrient solution, and a plastic tube was connected to the cut end of the stem to collect the fluid.
- The idea is to use the plasma coating to line catheters - plastic tubes surgically inserted into the body so patients can rid themselves of waste products from the blood through a dialysis machine.
- He was going to do a tracheotomy, opening the throat and inserting a tube into the windpipe.
- The radiologist connects a barium bag to the tube to deliver liquid barium into your colon.
- The samples were stored refrigerated in plastic tubes without preservatives until further processing within 24 hours.
- Kim pulled out a small glass tube with liquid inside.
- This metal tip transfers your body heat to the liquid inside the glass tube.
- One end of the tube is connected to the cylinder, and its heat lights the fuel.
- Stock should be watered weekly; this can be facilitated by attaching a perforated tube to the end of a hose and inserting the tube into the bundles.
- A plastic tube is inserted in the nostril and down into the stomach.
- A straw itself will not hold up well to this experiment, so see if you can get a tube of glass or plastic.
- Anaesthesia usually begins when the anaesthetist injects a drug through a fine plastic tube inserted into a vein in the back of the hand.
- Catheters - small plastic tubes - are inserted into veins in the arm or leg to access the heart for procedures such as angioplasties and stent placements.
- There were also racks of smaller tubes filled with clear and purple liquids and jars of empty plastic tubes.
- From it emerges a plastic tube with a mask that fits over my nose.
- Root growth is observed daily through the transparent plastic tubes.
- This effect can also be seen when a liquid is in a tube such as a measuring cylinder.
- In other news, Junior is feeding so well that he is free of plastic tubes.
Synonyms
vent, flue, shaft, conduit, duct, channel, pipe, pipeline, passage
1. 1.1 The inner tube of a bicycle tyre.
  自行车内胎
  Example sentencesExamples
  The shape can be chubbier - more like a truck tire than a bicycle tube - which lowers the cost for a given plasma volume.
  Both tires off and new mountain bike tubes are put on.
  He had also had many requests for new tyres and tubes and other bicycle parts.
  It is especially common with tall bikes, particularly ones with small-diameter tubes.
  So I'm 12 miles from home, with no spare tubes, a blown tyre, and no way of fixing it.
  I then spent ten minutes changing the tube in my front tyre and looking faintly sheepish.
  I'd like to know the advantage of using tubeless tires and why one would use tubes with tubeless tires.
  It ends up looking like some kind of snarling bicycle tube.
  Also be sure to plan ahead for potential damage to your bike, whether it's a pinched tube or something else entirely.
  They specialize in refurbishing tubular tires with new tubes.
  With theserims you can ride regular tubes and tyres and reduce rolling weight by up to 5lbs!
  Barring the tyres and tubes, each part of his cycle, the valve, piston etc, was made of bamboo.
  Mount the new tire on any standard MTB wheel or rim you have around, using a tube.
  Tyres and tubes were rationed but could be purchased on the black market at exorbitant prices.
2. 1.2mass noun Material in a tubular form; tubing.
  管料；管形材料
  the firm manufactures steel tube for a wide variety of applications
  这家工厂生产满足多种需求的钢管。
  Example sentencesExamples
  By mid-1931, Stanley launched a line of garden tools manufactured with all steel tube handles and stampings.
  Some had crudely welded steel tube frames and rudimentary suspensions.
  Construction is ingenious and apt, with social areas in balloon frame, and steel tube columns in the pool space.
  The fuselage was of welded steel tube truss construction and was quite stout.
  The fuselage was steel tube with fabric and aluminum covering while the tail was welded steel tubing with fabric covering.
  The fuselage was built out of welded chrome-molybdenum steel tube with rod bracing and fabric covering.
  Black tube steel was sourced from local foundries, together with telegraph poles and guy wires which were donated by a power supplier.
  If weight continued to be an issue, it would be possible to substitute-aluminum tube for steel at the cross members or in the main frame rails.
  This plane had a welded steel tube fuselage which became the industry standard.
  Finally a small length of silicone tube locks the helicopter bead and tubing to the lower swivel of our up-trace.
  Wing construction comprised two spruce spars with plywood ribs and steel tube and wire drag bracing.
  The stools are made of mild steel sheet and tube using a construction method called spinning.
  The helicopter has steel tube skid type landing gear.
  Two wide wing bracing struts were built from steel tube and balsa wood and fabric covered.
  The design was interesting in the fact it utilized steel tube spars in the tapered wings and a plywood - covered fuselage.
2A thing in the form of or resembling a tube.
管状物，尤指
Example sentencesExamples
- Before the second class the following week, the muslin strips were stitched on two sides and turned to form a tube shape.
- Three works could be manipulated; the massed tubes formed a square or circle mounted on a base that allowed a segment or the whole piece to be rotated by hand.
- The shell surrounds a large mantle cavity, and wraps around the viscera to form a tube.
- His sarong is no longer just a piece of cloth sewn into a tube but is shaped into sensual curves to be worn for a formal musical soirée without feeling like a country bumpkin.
- Finally, she rolled the small scroll into a tight tube.
- Using the plastic wrap as a guide, tightly roll up the foie gras and shape it into a tube, about two inches in diameter.
- These tubes and shapes are redolent of the exterior world, yet they are also evocative of our skin, our interior bodies, our senses.
- Like threads twisted together to form a rope, the possible flight paths formed tubes in space.
- Usually, either spheres or tubes form, but not both.
- It consisted of a system of rings corresponding to the great circles of the celestial sphere with a central tube which was used to line up stars and planets.
- Place one-half of the marinated foie gras on the bottom half of the cloth and roll tightly to form a tube, about four-inches in diameter.
- At about chest height in each of the big conical tubes is a thin horizontal slot about a meter wide.
- They had graduated grooves into which the pill mass, formed into a tube, was placed before being cut.
- Curving peculiar squeaking sounds bend round corners as cardboard tubes, strings, and electronic squiggles are played along with distant piano.
1. 2.1 A flexible metal or plastic container sealed at one end and having a screw cap at the other, for holding a semi-liquid substance ready for use.
  （一头密封，一头有螺旋盖，装半流质的）软金属管，塑料管
  a tube of toothpaste
  一管牙膏。
  Example sentencesExamples
  There is a new tube of toothpaste ready and waiting.
  You can't put the toothpaste back into the tube.
  He tossed out papers and paperclips and a tube of toothpaste onto the floor before finally withdrawing my inhaler.
  Cale followed me and promptly stole the tube of toothpaste from me.
  With most tubes of toothpaste, you can roll them up and twist them to get the last bit of toothpaste out of there.
  He giggles like a girl and waves a tube of auburn paint at me.
  But I'll buy two giant tubes of toothpaste if I have a coupon.
  One company sent them 12,000 toothbrushes and 12,000 tubes of toothpaste.
  On view were five enormous inflatable white objects shaped like bottles, cans or toothpaste tubes.
  In the hygiene aisle, I grabbed two tubes of toothpaste, a bottle of shampoo.
  It is no longer added to paint or pesticides and it is no longer used in such things as toothpaste tubes, tin can solder, toys and many other things.
  Perry went into the bathroom and grabbed the tube of toothpaste.
  He remembers collecting toothpaste tubes, newspapers, pots and pans.
  The card features a bunny holding a tube of toothpaste.
  This year's consignment of 5,000 boxes goes out this Saturday, along with blankets knitted by residents and 25,000 tubes of toothpaste.
  In their other hands were new toothbrushes, a tube of toothpaste and container of dental floss they received from their dentists.
  The food comes in what look like toothpaste tubes.
  I have assumed your tube of toothpaste lasts for a little over two months
  A toothpaste tube had been squeezed flat by a shoe.
  Even the little tubes of toothpaste in the washrooms were taken.
  I love finishing things - boxes of tissues, books, tubes of toothpaste, moisturiser, notebooks, whatever.
2. 2.2 A rigid cylindrical container.
  圆柱形硬管
  a tube of Smarties
  一瓶聪明豆（糖果）。
  Example sentencesExamples
  Kitten got up from her desk a tube of red lipstick in her hand.
  By accident, she drops her lipstick, and the silver tube rolls on the floor, stopping at my feet.
  A shiny black purse, a tube of dark red lipstick, eyeshadow, white chub stick, eyeliner, and a weightless garment, fluttering to the ground.
  She then grabbed a lighter that was disguised to look like a lipstick tube.
  To avoid looking like an eaves dropper, I pulled out a tube of lipstick from my pocket and began to apply a new coat of gloss.
  She saw a tube of lipstick out of the corner of her eye and applied it to her lips before smacking them together looking at the result before grimacing and swiping it from her lips.
  She'd purchased a few tubes of lipstick, but they just happened to be her favorite brand, so I knew she was buying for herself.
  The final circular Smarties tubes have rolled off the production line in York.
  She tossed her towel with a flourish and dug in her purse, bringing up, after some searching, a tube of lipstick.
  If a print is too large and has to be rolled and sent in a tube, it should be taken out immediately after it arrived at its destination.
  Lain walked over and pulled out the tube of white glitter lipstick out from a box propped on the dresser.
  It was a cylindrical tube, one small bulb on a side and a pin.
  Her voice was definitely teasing this time, as she pulled a tube of plum-colored lipstick out of her purse.
  A home-made lunch is delivered in cylindrical tubes with four compartments each.
  Extending generally vertically from the supports are cylindrical tubes that accommodate long and narrow cargo such as baseball and softball bats.
  There was a highlighter, a matchbook, a tube of lipstick, a broken pencil stub.
  Grab an old tube of lipstick and, while looking into the bathroom mirror, trace the outline of your face onto the glass.
  The old tubes would be sent away to be ‘reconditioned’ which was a great re-use of resources.
  As he walked away, Han took out a lipstick tube from her purse and began applying it to her lips.
  To reward her efforts, Bethany was presented with a calculator shaped trophy, a tube of Smarties and a mug bearing the words, ‘I am a genius’.
  Synonyms
  cylinder, scroll
3. 2.3Australian informal A can of beer.
  〈澳，非正式〉一听啤酒
  a tube of lager
  一听贮陈啤酒。
  Example sentencesExamples
  Jerry smelled the familiar stench of beer as the tube neared his lips.
  Have an ice-cold tube of Fosters on us.
  His Australian colleagues can sit in their armchairs swiggering on a "tube" of Fosters with total immunity smiling that he has taken the rap for the decisions they were responsible in making.
4. 2.4Anatomy Zoology Botany usually with adjective or noun modifier A hollow cylindrical organ or structure in an animal body or in a plant (e.g. a Eustachian tube, a sieve tube).
  〔剖，动，植〕管状器官，管（如咽鼓管、筛管）
  Example sentencesExamples
  The endothelial tube everywhere remains intact and continuous.
  But when you have a cold, swollen membranes in the ear can block the Eustachian tube, he explains.
  Encouraging women to lose weight before becoming pregnant could independently prevent neural tube defects.
  The trachea is unbranched, and is formed by the division of the foregut by a longitudinal septum into two tubes - the trachea and the esophagus.
  The bladder and rectum originate from a single hollow tube, the endodermal cloaca.
  Synonyms
  duct, channel, passage, pipe
5. 2.5tubesinformal A woman's fallopian tubes.
  〈非正式〉输卵管
  women with blocked tubes
  输卵管阻塞的妇女。
  Example sentencesExamples
  For example, it is unclear how these superficial peritoneal lesions would give rise to infertility, especially if they were distant from the fimbria of the tubes or ovaries.
  Adhesions can involve the uterus, tubes, ovaries, and bowels and can attach any of these structures to each other or to the floor of the pelvic area.
  She will have an ultrasound scan of the womb, tubes and ovaries.
  Mucus hostility means that the secretion from the neck of the womb is abnormal, and kills the sperm so that they cannot travel through the uterus to the tubes.
  It can spread to the womb and tubes leading to pelvic inflammatory disease.
6. 2.6 A woman's close-fitting garment, typically without darts or other tailoring and made from a single piece of stretch fabric.
  紧身女衣
  as modifier a tube skirt
  Example sentencesExamples
  Drying herself, she wore a royal-blue tube dress with matching sapphire earrings, bracelet and necklace.
  For a more classic look, there's a square-necked jacket with lateral buttons worn with a tube skirt hemmed at just below the knees.
  Avoid constantly yanking up your denim tube dress by sliding it over your favorite top.
  Your daughter wears these tube skirts with rasta blouses and sandals.
  The lightweight tube dress goes straight from the beach to the bar.
  I just bought a strapless tube bra in the hopes of wearing it with skinny-strapped tank tops.
  The look is long and lean; a mix of retro and ultra modern with crocheted bikinis, hole-infested frocks and horizontal striped tube knit dresses.
  That awful pouty smile aside, the black and white striped tube dress just looks awful on Nelly.
  Or it can be a rip off because in the end it is just a piece of long stretch tube.
  I was wearing an olive green tube top that showed off my belly button.
  She had chosen a baby pink jean mini skirt, a matching tube top, and a white mesh jacket.
7. 2.7 (in surfing) the hollow curve under the crest of a breaking wave.
  （冲浪用语）（散浪头下的）空心浪
  he angled his board to get in the tube
  Example sentencesExamples
  Riding inside a tube with the wave crashing down around the surfer is particularly impressive.
  At Shipsterns, I think he got the best wave, the biggest tube, although they said mine was bigger.
  Just as with ocean waves, as the wave breaks it forms a tube.
  Formal elements include a foreground or apron of foaming wash, and beyond that a wall of wave as it forms a tube, then crests and crashes.
8. 2.8informal A cigarette.
  〈非正式〉香烟
  as soon as the no-smoking light dies she reaches for the tubes
3the Tubetrademark in UK The underground railway system in London.
〈英，非正式〉伦敦地铁
a cross-London trek on the Tube
Example sentencesExamples
- First of all in London we have the Tube which is still owned by the Government, so comparisons can be made there.
- London Tube journeys are also up five per cent.
- Today's Pick, the London Underground Tube Diary, is a blog about travelling on the Tube daily.
- So we have various views of the world map but drawn as a London Underground Tube map.
- Today's hot topic was the Tube lines of the London Underground.
1. 3.1 A train running on the Londion underground system.
  地铁列车
  I caught the Tube home
  我搭地铁回家了。
  Example sentencesExamples
  However, on the train and tube, I heard lots of northern accents.
  The emergency cord was pulled, and as the tube train drew into Oval station a man dashed out of the doors and ran.
  Will tube trains have ‘quiet carriages’ like mainline routes do?
  The use of tube trains has gone down by 40% at the weekends, and between 5 and 15% on week days.
  Instead I will be spending two hours a day on buses, trains and the tube.
4A sealed container, typically of glass and either evacuated or filled with gas, containing two electrodes between which an electric current can be made to flow.
电子管，真空管（尤指真空或充气的玻璃管，内含两个电极，其间可有电流通过）
Example sentencesExamples
- Early diodes in electronics were made from metal plates sealed inside evacuated glass tubes, which could be seen glowing in the innards of old radio sets.
- Fluorescent lamps generate light by passing electricity through a tube filled with inert gas and a small amount of mercury.
- When an electrical current is passed through an evacuated tube containing krypton gas, a very bright white light is produced.
- When a high electrical voltage is applied across the electrodes, a current begins to flow through the tube.
- Such lamps have two electrodes in a ceramic tube that contains small amounts of mercury and metal-halide salts.
1. 4.1 A cathode ray tube, especially in a television set.
  阴极射线管，电视显像管
  colour tubes for portables
  Example sentencesExamples
  Look out for early signs of in-car computing, and the erosion of cathode-ray tubes by cheaper liquid-crystal displays.
  Cathode ray tubes will shrink slightly over that period, from 171 million units to 145 million.
  He found the same charge to mass ratio of cathode rays was seen regardless of what material was inside the tube or what the cathode was made of.
  Cathode ray tubes are common elements of our domestic televisions and desktop computers but are certainly one day set to become rare, given the rapid developments in alternative technologies.
  Simply connect the inverter to an available molex connector, and then connect both cold cathode tubes to the inverter on the opposing side.
2. 4.2the tubeNorth American informal Television.
  〈北美，非正式〉电视
  watching the tube in a country bar
  在一家乡村酒吧看电视。
  Example sentencesExamples
  Because Raymond tires so easily, we spend a lot of time in front of the tube.
  Sally spent countless hours in front of the tube last season watching the games she was unable to attend in person.
  I would come home from school and turn on the tube and watch Nightmare on Elm Street.
  I didn't spend much time watching the tube, but what little I saw did manage to boil my blood.
  If he's recorded the best of the tube to watch at his leisure, maybe the TV will stay off until he wants to watch something specific.
  Now, you work pretty hard, as everybody knows, as evidenced from watching you on the tube.
  The injury delayed his spring training debut and presumably allowed more time for watching the tube.
  Most kids spend lots of time in front of the tube (or computer screens and video games).
  They'll just go zone out in front of the tube and try to forget the whole thing.
  The online crowd cut back on television time, watching the tube 4.5 fewer hours per week than the no-Net group did.
  Every evening you can find the two of us sitting at the kitchen table watching the tube.
  Whereas a few decades ago most homes did not have a television, today it is estimated that kids spend upwards of 25 hours per week in front of the tube.
  So enjoy being up, you world-weary denizens of the night; there is some stuff on the tube worth watching.
  This evening we had a subdued supper followed by a couple of quiet hours in front of the tube.
  A really bad skiing day is still better than a day spent running or sitting in front of the tube.
  I have been glued to the tube all weekend watching the progress of the hurricane.
  Cut down on TV, computer, and video game time and discourage eating while watching the tube.
3. 4.3North American A thermionic valve.
  〈北美〉热离子管
  Example sentencesExamples
  The conduction of electricity in thin gases in vacuum tubes was the key to the discovery of the electron in 1897.
  This work contains the principles of operation of The Thermionic Vacuum Tube, and coordinates the phenomena encountered in a study of this field.
  A vacuum tube (also called an electron tube or, in the UK, a valve) is a device sometimes used to amplify electronic signals.

verb tjuːbt(j)ub

[with object]

1usually as adjective tubedProvide with a tube or tubes.
给…装上管子
in combination a giant eight-tubed hookah
巨型八管水烟筒。
Example sentencesExamples
- They are believed to produce sound by moving air through tubed extensions of the larynx to nasal plugs located near the blowholes.
- The wooden counter was ringed with tubed lightning, stained with smoke and alcohol.
- That said, the feedback I've heard from our testers indicate seating and inflating our tubeless road tires should be as easier, or even easier in some cases, than a tubed tire.
- The precipitate was spread homogeneously over the entire surface of the tubed medium using a serologic pipette.
2informal Fit (a person or animal) with a tube to assist breathing, especially after a laryngotomy.
〈非正式〉（给做过喉剖开术的人或动物）插管（以助呼吸）
Example sentencesExamples
- The charge stemmed from his failure to properly record how he treated Hip Wolf on the day she was allegedly tubed, a practice of pumping medication through a tube inserted into the horse's nostril directly into its stomach.
- He also did not receive a license in New York, and he received separate fines for tubing a horse and misusing lasix within the last three years of his practice.
3with adverbial Convey in a tube.
用管道运输
the wells were flooded, and this water, tubed off, yielded a supply of 38,000 gallons per hour
Example sentencesExamples
- It has an eight inch bore, and is tubed through ninety feet of earth and ten feet into the rock; the remaining three hundred and fifty feet is without tube, being all in red sandstone.
- It is tubed through part of the City.
Synonyms
tube, conduit, hose, main, duct, line, channel, canal, conveyor, pipeline, drain, tubing, piping, siphon, cylinder
4tube itBritish informal Travel on the Tube.
〈英，非正式〉乘地铁
we tubed it back to Queensway
我们坐地铁回到女王道。
no object I tubed to St Pancras
我乘地铁去的圣潘克拉斯。

Phrases

go down the tube (or tubes)
给…装上管子

informal Be completely lost or wasted; fail utterly.
〈非正式〉一败涂地，完全失败
the country is going slowly and surely down the tubes
这个国家正缓慢而不可挽回地走向绝境。
Example sentencesExamples
- Markets are collapsing and manufacturing is going down the tubes, but the people in the malls spend regardless.
- I saw what happened when a dictator was allowed to take over a piece of a country and the country went down the tubes.
- Seeing my career go down the tubes always shakes me…
- Many cases have gone down the tubes simply because of bad police investigations.
- How can anyone expect him to sit back and carry on as normal when so many councillors have gone down the tubes?
- The careers of a good many public servants have gone down the tubes for less.
- His budget fails, and California's economy goes down the tubes.
- They know full well that unless they come up with a constant stream of big sellers their career will go down the tube.
- Now the novelty has worn off and the economy has gone down the tubes, but the artists are still coming.
- I felt it was my destiny to carry on like this, and it was a tremendous psychological blow when the business went down the tubes.
Synonyms
deteriorate, degenerate, decay, crumble, collapse, fail, fall, sink, slump, slip, slide, go downhill, worsen, get worse, go to rack and ruin, stagnate, atrophy, wither, weaken, fade, fade away, wane, ebb

Derivatives

tubeless

adjectiveˈtjuːbləsˈt(j)ubləs

That said, the feedback I've heard from our testers indicate seating and inflating our tubeless road tires should be as easier, or even easier in some cases, than a tubed tire.
Example sentencesExamples
- It will come in both a traditional and tubeless version as well as a 29-inch size.
- Esophageal manometry generally is used to accurately place ambulatory pH monitoring probes, although adequate placement recently has been reported with a tubeless system.
- In retaliation, most of the pro men and women chose to run some form of tubeless technology.
- Two of the most important technological developments were Michelin's creation of the radial tyre in 1948, giving a vastly superior grip, and Dunlop coming up with the tubeless concept in 1972.

tube-like

adjective

Mites damage ferns by puncturing the edges of fern fronds with their tube-like stylets and other mouthparts, sucking up the nutritious contents of frond cells.
Example sentencesExamples
- Tearing a piece from a large lump of kneaded dough on the metal table, the master baker swiftly rolled it out into a long, tube-like form.
- Roll from this end into a tube-like shape, with pointed ends, and curve ends in to form a croissant shape.
- The oesophagus (food pipe) is a tube-like structure, about 25 cm long, lying in the chest.
- Native bluebells are true blue in colour, the blooms are tube-like and elongated, with a delicate droop Spanish bluebells are more upright, the blooms are more of a shorter, open bell-shape.

Origin

Mid 17th century: from French tube or Latin tubus.

Rhymes

boob, cube, droob, j'adoube, jube, lube, rube

Definition of tube in US English:

tube

nount(y)o͞obt(j)ub

1A long, hollow cylinder of metal, plastic, glass, etc. for holding or transporting something, chiefly liquids or gases.
（金属、塑料、玻璃等材料制的）管，管子
Example sentencesExamples
- The root system was submerged in nutrient solution, and a plastic tube was connected to the cut end of the stem to collect the fluid.
- To perform this experiment a little oil of turpentine was placed at the bottom of a glass tube surrounded with boiling liquid air.
- The idea is to use the plasma coating to line catheters - plastic tubes surgically inserted into the body so patients can rid themselves of waste products from the blood through a dialysis machine.
- Kim pulled out a small glass tube with liquid inside.
- The samples were stored refrigerated in plastic tubes without preservatives until further processing within 24 hours.
- He was going to do a tracheotomy, opening the throat and inserting a tube into the windpipe.
- Catheters - small plastic tubes - are inserted into veins in the arm or leg to access the heart for procedures such as angioplasties and stent placements.
- Anaesthesia usually begins when the anaesthetist injects a drug through a fine plastic tube inserted into a vein in the back of the hand.
- A straw itself will not hold up well to this experiment, so see if you can get a tube of glass or plastic.
- One end of the tube is connected to the cylinder, and its heat lights the fuel.
- This metal tip transfers your body heat to the liquid inside the glass tube.
- From it emerges a plastic tube with a mask that fits over my nose.
- This effect can also be seen when a liquid is in a tube such as a measuring cylinder.
- There were also racks of smaller tubes filled with clear and purple liquids and jars of empty plastic tubes.
- Stock should be watered weekly; this can be facilitated by attaching a perforated tube to the end of a hose and inserting the tube into the bundles.
- The radiologist connects a barium bag to the tube to deliver liquid barium into your colon.
- In other news, Junior is feeding so well that he is free of plastic tubes.
- Root growth is observed daily through the transparent plastic tubes.
- He punctured my eardrum, drained the fluid and inserted a plastic tube.
- A plastic tube is inserted in the nostril and down into the stomach.
Synonyms
vent, flue, shaft, conduit, duct, channel, pipe, pipeline, passage
1. 1.1 The inner tube of a bicycle tire.
  自行车内胎
  Example sentencesExamples
  It is especially common with tall bikes, particularly ones with small-diameter tubes.
  Also be sure to plan ahead for potential damage to your bike, whether it's a pinched tube or something else entirely.
  The shape can be chubbier - more like a truck tire than a bicycle tube - which lowers the cost for a given plasma volume.
  I then spent ten minutes changing the tube in my front tyre and looking faintly sheepish.
  I'd like to know the advantage of using tubeless tires and why one would use tubes with tubeless tires.
  With theserims you can ride regular tubes and tyres and reduce rolling weight by up to 5lbs!
  Mount the new tire on any standard MTB wheel or rim you have around, using a tube.
  Barring the tyres and tubes, each part of his cycle, the valve, piston etc, was made of bamboo.
  They specialize in refurbishing tubular tires with new tubes.
  Both tires off and new mountain bike tubes are put on.
  Tyres and tubes were rationed but could be purchased on the black market at exorbitant prices.
  He had also had many requests for new tyres and tubes and other bicycle parts.
  It ends up looking like some kind of snarling bicycle tube.
  So I'm 12 miles from home, with no spare tubes, a blown tyre, and no way of fixing it.
2. 1.2 Material made into cylindrical form; tubing.
  管料；管形材料
  the firm manufactures steel tube for a wide variety of applications
  这家工厂生产满足多种需求的钢管。
  Example sentencesExamples
  Construction is ingenious and apt, with social areas in balloon frame, and steel tube columns in the pool space.
  The fuselage was of welded steel tube truss construction and was quite stout.
  The helicopter has steel tube skid type landing gear.
  If weight continued to be an issue, it would be possible to substitute-aluminum tube for steel at the cross members or in the main frame rails.
  This plane had a welded steel tube fuselage which became the industry standard.
  Wing construction comprised two spruce spars with plywood ribs and steel tube and wire drag bracing.
  By mid-1931, Stanley launched a line of garden tools manufactured with all steel tube handles and stampings.
  The fuselage was steel tube with fabric and aluminum covering while the tail was welded steel tubing with fabric covering.
  The design was interesting in the fact it utilized steel tube spars in the tapered wings and a plywood - covered fuselage.
  Black tube steel was sourced from local foundries, together with telegraph poles and guy wires which were donated by a power supplier.
  Some had crudely welded steel tube frames and rudimentary suspensions.
  Finally a small length of silicone tube locks the helicopter bead and tubing to the lower swivel of our up-trace.
  The stools are made of mild steel sheet and tube using a construction method called spinning.
  Two wide wing bracing struts were built from steel tube and balsa wood and fabric covered.
  The fuselage was built out of welded chrome-molybdenum steel tube with rod bracing and fabric covering.
2A thing in the form of or resembling a tube.
管状物，尤指
Example sentencesExamples
- Using the plastic wrap as a guide, tightly roll up the foie gras and shape it into a tube, about two inches in diameter.
- These tubes and shapes are redolent of the exterior world, yet they are also evocative of our skin, our interior bodies, our senses.
- Three works could be manipulated; the massed tubes formed a square or circle mounted on a base that allowed a segment or the whole piece to be rotated by hand.
- Finally, she rolled the small scroll into a tight tube.
- It consisted of a system of rings corresponding to the great circles of the celestial sphere with a central tube which was used to line up stars and planets.
- The shell surrounds a large mantle cavity, and wraps around the viscera to form a tube.
- Place one-half of the marinated foie gras on the bottom half of the cloth and roll tightly to form a tube, about four-inches in diameter.
- Like threads twisted together to form a rope, the possible flight paths formed tubes in space.
- Curving peculiar squeaking sounds bend round corners as cardboard tubes, strings, and electronic squiggles are played along with distant piano.
- They had graduated grooves into which the pill mass, formed into a tube, was placed before being cut.
- His sarong is no longer just a piece of cloth sewn into a tube but is shaped into sensual curves to be worn for a formal musical soirée without feeling like a country bumpkin.
- At about chest height in each of the big conical tubes is a thin horizontal slot about a meter wide.
- Before the second class the following week, the muslin strips were stitched on two sides and turned to form a tube shape.
- Usually, either spheres or tubes form, but not both.
1. 2.1 A flexible metal or plastic container sealed at one end and having a screw cap at the other, for holding a semiliquid substance ready for use.
  （一头密封，一头有螺旋盖，装半流质的）软金属管，塑料管
  a tube of toothpaste
  一管牙膏。
  Example sentencesExamples
  The card features a bunny holding a tube of toothpaste.
  I love finishing things - boxes of tissues, books, tubes of toothpaste, moisturiser, notebooks, whatever.
  You can't put the toothpaste back into the tube.
  Perry went into the bathroom and grabbed the tube of toothpaste.
  With most tubes of toothpaste, you can roll them up and twist them to get the last bit of toothpaste out of there.
  In the hygiene aisle, I grabbed two tubes of toothpaste, a bottle of shampoo.
  Even the little tubes of toothpaste in the washrooms were taken.
  A toothpaste tube had been squeezed flat by a shoe.
  He giggles like a girl and waves a tube of auburn paint at me.
  In their other hands were new toothbrushes, a tube of toothpaste and container of dental floss they received from their dentists.
  This year's consignment of 5,000 boxes goes out this Saturday, along with blankets knitted by residents and 25,000 tubes of toothpaste.
  I have assumed your tube of toothpaste lasts for a little over two months
  Cale followed me and promptly stole the tube of toothpaste from me.
  He tossed out papers and paperclips and a tube of toothpaste onto the floor before finally withdrawing my inhaler.
  The food comes in what look like toothpaste tubes.
  There is a new tube of toothpaste ready and waiting.
  But I'll buy two giant tubes of toothpaste if I have a coupon.
  He remembers collecting toothpaste tubes, newspapers, pots and pans.
  It is no longer added to paint or pesticides and it is no longer used in such things as toothpaste tubes, tin can solder, toys and many other things.
  One company sent them 12,000 toothbrushes and 12,000 tubes of toothpaste.
  On view were five enormous inflatable white objects shaped like bottles, cans or toothpaste tubes.
2. 2.2 A rigid cylindrical container.
  圆柱形硬管
  a tube of lipstick
  Example sentencesExamples
  There was a highlighter, a matchbook, a tube of lipstick, a broken pencil stub.
  She tossed her towel with a flourish and dug in her purse, bringing up, after some searching, a tube of lipstick.
  Kitten got up from her desk a tube of red lipstick in her hand.
  A home-made lunch is delivered in cylindrical tubes with four compartments each.
  The old tubes would be sent away to be ‘reconditioned’ which was a great re-use of resources.
  If a print is too large and has to be rolled and sent in a tube, it should be taken out immediately after it arrived at its destination.
  Grab an old tube of lipstick and, while looking into the bathroom mirror, trace the outline of your face onto the glass.
  She'd purchased a few tubes of lipstick, but they just happened to be her favorite brand, so I knew she was buying for herself.
  A shiny black purse, a tube of dark red lipstick, eyeshadow, white chub stick, eyeliner, and a weightless garment, fluttering to the ground.
  Lain walked over and pulled out the tube of white glitter lipstick out from a box propped on the dresser.
  The final circular Smarties tubes have rolled off the production line in York.
  Her voice was definitely teasing this time, as she pulled a tube of plum-colored lipstick out of her purse.
  She saw a tube of lipstick out of the corner of her eye and applied it to her lips before smacking them together looking at the result before grimacing and swiping it from her lips.
  Extending generally vertically from the supports are cylindrical tubes that accommodate long and narrow cargo such as baseball and softball bats.
  She then grabbed a lighter that was disguised to look like a lipstick tube.
  By accident, she drops her lipstick, and the silver tube rolls on the floor, stopping at my feet.
  To reward her efforts, Bethany was presented with a calculator shaped trophy, a tube of Smarties and a mug bearing the words, ‘I am a genius’.
  It was a cylindrical tube, one small bulb on a side and a pin.
  As he walked away, Han took out a lipstick tube from her purse and began applying it to her lips.
  To avoid looking like an eaves dropper, I pulled out a tube of lipstick from my pocket and began to apply a new coat of gloss.
  Synonyms
  cylinder, scroll
3. 2.3Anatomy Botany Zoology usually with adjective or noun modifier A hollow cylindrical organ or structure in an animal body or in a plant.
  〔剖，动，植〕管状器官，管（如咽鼓管、筛管）
  Eustachian tube
  sieve tube
  Example sentencesExamples
  Encouraging women to lose weight before becoming pregnant could independently prevent neural tube defects.
  But when you have a cold, swollen membranes in the ear can block the Eustachian tube, he explains.
  The trachea is unbranched, and is formed by the division of the foregut by a longitudinal septum into two tubes - the trachea and the esophagus.
  The endothelial tube everywhere remains intact and continuous.
  The bladder and rectum originate from a single hollow tube, the endodermal cloaca.
  Synonyms
  duct, channel, passage, pipe
4. 2.4tubesinformal A woman's fallopian tubes.
  〈非正式〉输卵管
  Example sentencesExamples
  For example, it is unclear how these superficial peritoneal lesions would give rise to infertility, especially if they were distant from the fimbria of the tubes or ovaries.
  Adhesions can involve the uterus, tubes, ovaries, and bowels and can attach any of these structures to each other or to the floor of the pelvic area.
  She will have an ultrasound scan of the womb, tubes and ovaries.
  It can spread to the womb and tubes leading to pelvic inflammatory disease.
  Mucus hostility means that the secretion from the neck of the womb is abnormal, and kills the sperm so that they cannot travel through the uterus to the tubes.
5. 2.5 A woman's close-fitting garment, typically without darts or other tailoring and made from a single piece of knitted or elasticized fabric.
  紧身女衣
  as modifier stretchy tube skirts
  弹性紧身筒裙。
  Example sentencesExamples
  Drying herself, she wore a royal-blue tube dress with matching sapphire earrings, bracelet and necklace.
  Or it can be a rip off because in the end it is just a piece of long stretch tube.
  I just bought a strapless tube bra in the hopes of wearing it with skinny-strapped tank tops.
  Avoid constantly yanking up your denim tube dress by sliding it over your favorite top.
  The lightweight tube dress goes straight from the beach to the bar.
  Your daughter wears these tube skirts with rasta blouses and sandals.
  For a more classic look, there's a square-necked jacket with lateral buttons worn with a tube skirt hemmed at just below the knees.
  That awful pouty smile aside, the black and white striped tube dress just looks awful on Nelly.
  The look is long and lean; a mix of retro and ultra modern with crocheted bikinis, hole-infested frocks and horizontal striped tube knit dresses.
  She had chosen a baby pink jean mini skirt, a matching tube top, and a white mesh jacket.
  I was wearing an olive green tube top that showed off my belly button.
6. 2.6 (in surfing) the hollow curve under the crest of a breaking wave.
  （冲浪用语）（散浪头下的）空心浪
  Example sentencesExamples
  Formal elements include a foreground or apron of foaming wash, and beyond that a wall of wave as it forms a tube, then crests and crashes.
  Riding inside a tube with the wave crashing down around the surfer is particularly impressive.
  Just as with ocean waves, as the wave breaks it forms a tube.
  At Shipsterns, I think he got the best wave, the biggest tube, although they said mine was bigger.
3the Tubetrademark in UK The subway system in London.
〈英，非正式〉伦敦地铁
Example sentencesExamples
- Today's Pick, the London Underground Tube Diary, is a blog about travelling on the Tube daily.
- First of all in London we have the Tube which is still owned by the Government, so comparisons can be made there.
- London Tube journeys are also up five per cent.
- So we have various views of the world map but drawn as a London Underground Tube map.
- Today's hot topic was the Tube lines of the London Underground.
1. 3.1 A train running on the subway system in London.
  地铁列车
  I caught the Tube home
  我搭地铁回家了。
  Example sentencesExamples
  Will tube trains have ‘quiet carriages’ like mainline routes do?
  Instead I will be spending two hours a day on buses, trains and the tube.
  The emergency cord was pulled, and as the tube train drew into Oval station a man dashed out of the doors and ran.
  The use of tube trains has gone down by 40% at the weekends, and between 5 and 15% on week days.
  However, on the train and tube, I heard lots of northern accents.
4A sealed container, typically of glass and either evacuated or filled with gas, containing two electrodes between which an electric current can be made to flow.
电子管，真空管（尤指真空或充气的玻璃管，内含两个电极，其间可有电流通过）
Example sentencesExamples
- Fluorescent lamps generate light by passing electricity through a tube filled with inert gas and a small amount of mercury.
- Early diodes in electronics were made from metal plates sealed inside evacuated glass tubes, which could be seen glowing in the innards of old radio sets.
- When a high electrical voltage is applied across the electrodes, a current begins to flow through the tube.
- Such lamps have two electrodes in a ceramic tube that contains small amounts of mercury and metal-halide salts.
- When an electrical current is passed through an evacuated tube containing krypton gas, a very bright white light is produced.
1. 4.1 A cathode ray tube, especially in a television set.
  阴极射线管，电视显像管
  Example sentencesExamples
  Cathode ray tubes are common elements of our domestic televisions and desktop computers but are certainly one day set to become rare, given the rapid developments in alternative technologies.
  Cathode ray tubes will shrink slightly over that period, from 171 million units to 145 million.
  Look out for early signs of in-car computing, and the erosion of cathode-ray tubes by cheaper liquid-crystal displays.
  Simply connect the inverter to an available molex connector, and then connect both cold cathode tubes to the inverter on the opposing side.
  He found the same charge to mass ratio of cathode rays was seen regardless of what material was inside the tube or what the cathode was made of.
2. 4.2the tubeNorth American informal Television.
  〈北美，非正式〉电视
  another wasted evening, sitting in front of the tube
  Example sentencesExamples
  Sally spent countless hours in front of the tube last season watching the games she was unable to attend in person.
  Most kids spend lots of time in front of the tube (or computer screens and video games).
  Every evening you can find the two of us sitting at the kitchen table watching the tube.
  I would come home from school and turn on the tube and watch Nightmare on Elm Street.
  The injury delayed his spring training debut and presumably allowed more time for watching the tube.
  Cut down on TV, computer, and video game time and discourage eating while watching the tube.
  So enjoy being up, you world-weary denizens of the night; there is some stuff on the tube worth watching.
  The online crowd cut back on television time, watching the tube 4.5 fewer hours per week than the no-Net group did.
  Because Raymond tires so easily, we spend a lot of time in front of the tube.
  This evening we had a subdued supper followed by a couple of quiet hours in front of the tube.
  If he's recorded the best of the tube to watch at his leisure, maybe the TV will stay off until he wants to watch something specific.
  I didn't spend much time watching the tube, but what little I saw did manage to boil my blood.
  A really bad skiing day is still better than a day spent running or sitting in front of the tube.
  They'll just go zone out in front of the tube and try to forget the whole thing.
  I have been glued to the tube all weekend watching the progress of the hurricane.
  Now, you work pretty hard, as everybody knows, as evidenced from watching you on the tube.
  Whereas a few decades ago most homes did not have a television, today it is estimated that kids spend upwards of 25 hours per week in front of the tube.
3. 4.3North American A vacuum tube.
  Example sentencesExamples
  A vacuum tube (also called an electron tube or, in the UK, a valve) is a device sometimes used to amplify electronic signals.
  The conduction of electricity in thin gases in vacuum tubes was the key to the discovery of the electron in 1897.
  This work contains the principles of operation of The Thermionic Vacuum Tube, and coordinates the phenomena encountered in a study of this field.

verbt(y)o͞obt(j)ub

[with object]

1usually as adjective tubedProvide with a tube or tubes.
给…装上管子
in combination a giant eight-tubed hookah
巨型八管水烟筒。
Example sentencesExamples
- That said, the feedback I've heard from our testers indicate seating and inflating our tubeless road tires should be as easier, or even easier in some cases, than a tubed tire.
- The wooden counter was ringed with tubed lightning, stained with smoke and alcohol.
- The precipitate was spread homogeneously over the entire surface of the tubed medium using a serologic pipette.
- They are believed to produce sound by moving air through tubed extensions of the larynx to nasal plugs located near the blowholes.
2informal Fit (a person or animal) with a tube to assist breathing, especially after a laryngotomy.
〈非正式〉（给做过喉剖开术的人或动物）插管（以助呼吸）

Phrases

go down the tubes (or tube)

informal Be completely lost or wasted; fail utterly.
〈非正式〉一败涂地，完全失败
we watched his political career go down the tubes
Example sentencesExamples
- Seeing my career go down the tubes always shakes me…
- They know full well that unless they come up with a constant stream of big sellers their career will go down the tube.
- The careers of a good many public servants have gone down the tubes for less.
- Many cases have gone down the tubes simply because of bad police investigations.
- I saw what happened when a dictator was allowed to take over a piece of a country and the country went down the tubes.
- I felt it was my destiny to carry on like this, and it was a tremendous psychological blow when the business went down the tubes.
- Now the novelty has worn off and the economy has gone down the tubes, but the artists are still coming.
- His budget fails, and California's economy goes down the tubes.
- Markets are collapsing and manufacturing is going down the tubes, but the people in the malls spend regardless.
- How can anyone expect him to sit back and carry on as normal when so many councillors have gone down the tubes?
Synonyms
deteriorate, degenerate, decay, crumble, collapse, fail, fall, sink, slump, slip, slide, go downhill, worsen, get worse, go to rack and ruin, stagnate, atrophy, wither, weaken, fade, fade away, wane, ebb

Origin

Mid 17th century: from French tube or Latin tubus.

词汇	tube
释义	Definition of tube in English: tube noun tjuːbt(j)ub 1A long, hollow cylinder of metal, plastic, glass, etc. for holding or transporting something, chiefly liquids or gases. （金属、塑料、玻璃等材料制的）管，管子 a plastic tube is connected to the tap and the beer is ready to be pulled 笼头上接了根塑料管子，这样啤酒就可以随时汲取出来了。 Example sentencesExamples To perform this experiment a little oil of turpentine was placed at the bottom of a glass tube surrounded with boiling liquid air. He punctured my eardrum, drained the fluid and inserted a plastic tube. The root system was submerged in nutrient solution, and a plastic tube was connected to the cut end of the stem to collect the fluid. The idea is to use the plasma coating to line catheters - plastic tubes surgically inserted into the body so patients can rid themselves of waste products from the blood through a dialysis machine. He was going to do a tracheotomy, opening the throat and inserting a tube into the windpipe. The radiologist connects a barium bag to the tube to deliver liquid barium into your colon. The samples were stored refrigerated in plastic tubes without preservatives until further processing within 24 hours. Kim pulled out a small glass tube with liquid inside. This metal tip transfers your body heat to the liquid inside the glass tube. One end of the tube is connected to the cylinder, and its heat lights the fuel. Stock should be watered weekly; this can be facilitated by attaching a perforated tube to the end of a hose and inserting the tube into the bundles. A plastic tube is inserted in the nostril and down into the stomach. A straw itself will not hold up well to this experiment, so see if you can get a tube of glass or plastic. Anaesthesia usually begins when the anaesthetist injects a drug through a fine plastic tube inserted into a vein in the back of the hand. Catheters - small plastic tubes - are inserted into veins in the arm or leg to access the heart for procedures such as angioplasties and stent placements. There were also racks of smaller tubes filled with clear and purple liquids and jars of empty plastic tubes. From it emerges a plastic tube with a mask that fits over my nose. Root growth is observed daily through the transparent plastic tubes. This effect can also be seen when a liquid is in a tube such as a measuring cylinder. In other news, Junior is feeding so well that he is free of plastic tubes. Synonyms vent, flue, shaft, conduit, duct, channel, pipe, pipeline, passage 1.1 The inner tube of a bicycle tyre. 自行车内胎 Example sentencesExamples The shape can be chubbier - more like a truck tire than a bicycle tube - which lowers the cost for a given plasma volume. Both tires off and new mountain bike tubes are put on. He had also had many requests for new tyres and tubes and other bicycle parts. It is especially common with tall bikes, particularly ones with small-diameter tubes. So I'm 12 miles from home, with no spare tubes, a blown tyre, and no way of fixing it. I then spent ten minutes changing the tube in my front tyre and looking faintly sheepish. I'd like to know the advantage of using tubeless tires and why one would use tubes with tubeless tires. It ends up looking like some kind of snarling bicycle tube. Also be sure to plan ahead for potential damage to your bike, whether it's a pinched tube or something else entirely. They specialize in refurbishing tubular tires with new tubes. With theserims you can ride regular tubes and tyres and reduce rolling weight by up to 5lbs! Barring the tyres and tubes, each part of his cycle, the valve, piston etc, was made of bamboo. Mount the new tire on any standard MTB wheel or rim you have around, using a tube. Tyres and tubes were rationed but could be purchased on the black market at exorbitant prices. 1.2mass noun Material in a tubular form; tubing. 管料；管形材料 the firm manufactures steel tube for a wide variety of applications 这家工厂生产满足多种需求的钢管。 Example sentencesExamples By mid-1931, Stanley launched a line of garden tools manufactured with all steel tube handles and stampings. Some had crudely welded steel tube frames and rudimentary suspensions. Construction is ingenious and apt, with social areas in balloon frame, and steel tube columns in the pool space. The fuselage was of welded steel tube truss construction and was quite stout. The fuselage was steel tube with fabric and aluminum covering while the tail was welded steel tubing with fabric covering. The fuselage was built out of welded chrome-molybdenum steel tube with rod bracing and fabric covering. Black tube steel was sourced from local foundries, together with telegraph poles and guy wires which were donated by a power supplier. If weight continued to be an issue, it would be possible to substitute-aluminum tube for steel at the cross members or in the main frame rails. This plane had a welded steel tube fuselage which became the industry standard. Finally a small length of silicone tube locks the helicopter bead and tubing to the lower swivel of our up-trace. Wing construction comprised two spruce spars with plywood ribs and steel tube and wire drag bracing. The stools are made of mild steel sheet and tube using a construction method called spinning. The helicopter has steel tube skid type landing gear. Two wide wing bracing struts were built from steel tube and balsa wood and fabric covered. The design was interesting in the fact it utilized steel tube spars in the tapered wings and a plywood - covered fuselage. 2A thing in the form of or resembling a tube. 管状物，尤指 Example sentencesExamples Before the second class the following week, the muslin strips were stitched on two sides and turned to form a tube shape. Three works could be manipulated; the massed tubes formed a square or circle mounted on a base that allowed a segment or the whole piece to be rotated by hand. The shell surrounds a large mantle cavity, and wraps around the viscera to form a tube. His sarong is no longer just a piece of cloth sewn into a tube but is shaped into sensual curves to be worn for a formal musical soirée without feeling like a country bumpkin. Finally, she rolled the small scroll into a tight tube. Using the plastic wrap as a guide, tightly roll up the foie gras and shape it into a tube, about two inches in diameter. These tubes and shapes are redolent of the exterior world, yet they are also evocative of our skin, our interior bodies, our senses. Like threads twisted together to form a rope, the possible flight paths formed tubes in space. Usually, either spheres or tubes form, but not both. It consisted of a system of rings corresponding to the great circles of the celestial sphere with a central tube which was used to line up stars and planets. Place one-half of the marinated foie gras on the bottom half of the cloth and roll tightly to form a tube, about four-inches in diameter. At about chest height in each of the big conical tubes is a thin horizontal slot about a meter wide. They had graduated grooves into which the pill mass, formed into a tube, was placed before being cut. Curving peculiar squeaking sounds bend round corners as cardboard tubes, strings, and electronic squiggles are played along with distant piano. 2.1 A flexible metal or plastic container sealed at one end and having a screw cap at the other, for holding a semi-liquid substance ready for use. （一头密封，一头有螺旋盖，装半流质的）软金属管，塑料管 a tube of toothpaste 一管牙膏。 Example sentencesExamples There is a new tube of toothpaste ready and waiting. You can't put the toothpaste back into the tube. He tossed out papers and paperclips and a tube of toothpaste onto the floor before finally withdrawing my inhaler. Cale followed me and promptly stole the tube of toothpaste from me. With most tubes of toothpaste, you can roll them up and twist them to get the last bit of toothpaste out of there. He giggles like a girl and waves a tube of auburn paint at me. But I'll buy two giant tubes of toothpaste if I have a coupon. One company sent them 12,000 toothbrushes and 12,000 tubes of toothpaste. On view were five enormous inflatable white objects shaped like bottles, cans or toothpaste tubes. In the hygiene aisle, I grabbed two tubes of toothpaste, a bottle of shampoo. It is no longer added to paint or pesticides and it is no longer used in such things as toothpaste tubes, tin can solder, toys and many other things. Perry went into the bathroom and grabbed the tube of toothpaste. He remembers collecting toothpaste tubes, newspapers, pots and pans. The card features a bunny holding a tube of toothpaste. This year's consignment of 5,000 boxes goes out this Saturday, along with blankets knitted by residents and 25,000 tubes of toothpaste. In their other hands were new toothbrushes, a tube of toothpaste and container of dental floss they received from their dentists. The food comes in what look like toothpaste tubes. I have assumed your tube of toothpaste lasts for a little over two months A toothpaste tube had been squeezed flat by a shoe. Even the little tubes of toothpaste in the washrooms were taken. I love finishing things - boxes of tissues, books, tubes of toothpaste, moisturiser, notebooks, whatever. 2.2 A rigid cylindrical container. 圆柱形硬管 a tube of Smarties 一瓶聪明豆（糖果）。 Example sentencesExamples Kitten got up from her desk a tube of red lipstick in her hand. By accident, she drops her lipstick, and the silver tube rolls on the floor, stopping at my feet. A shiny black purse, a tube of dark red lipstick, eyeshadow, white chub stick, eyeliner, and a weightless garment, fluttering to the ground. She then grabbed a lighter that was disguised to look like a lipstick tube. To avoid looking like an eaves dropper, I pulled out a tube of lipstick from my pocket and began to apply a new coat of gloss. She saw a tube of lipstick out of the corner of her eye and applied it to her lips before smacking them together looking at the result before grimacing and swiping it from her lips. She'd purchased a few tubes of lipstick, but they just happened to be her favorite brand, so I knew she was buying for herself. The final circular Smarties tubes have rolled off the production line in York. She tossed her towel with a flourish and dug in her purse, bringing up, after some searching, a tube of lipstick. If a print is too large and has to be rolled and sent in a tube, it should be taken out immediately after it arrived at its destination. Lain walked over and pulled out the tube of white glitter lipstick out from a box propped on the dresser. It was a cylindrical tube, one small bulb on a side and a pin. Her voice was definitely teasing this time, as she pulled a tube of plum-colored lipstick out of her purse. A home-made lunch is delivered in cylindrical tubes with four compartments each. Extending generally vertically from the supports are cylindrical tubes that accommodate long and narrow cargo such as baseball and softball bats. There was a highlighter, a matchbook, a tube of lipstick, a broken pencil stub. Grab an old tube of lipstick and, while looking into the bathroom mirror, trace the outline of your face onto the glass. The old tubes would be sent away to be ‘reconditioned’ which was a great re-use of resources. As he walked away, Han took out a lipstick tube from her purse and began applying it to her lips. To reward her efforts, Bethany was presented with a calculator shaped trophy, a tube of Smarties and a mug bearing the words, ‘I am a genius’. Synonyms cylinder, scroll 2.3Australian informal A can of beer. 〈澳，非正式〉一听啤酒 a tube of lager 一听贮陈啤酒。 Example sentencesExamples Jerry smelled the familiar stench of beer as the tube neared his lips. Have an ice-cold tube of Fosters on us. His Australian colleagues can sit in their armchairs swiggering on a "tube" of Fosters with total immunity smiling that he has taken the rap for the decisions they were responsible in making. 2.4Anatomy Zoology Botany usually with adjective or noun modifier A hollow cylindrical organ or structure in an animal body or in a plant (e.g. a Eustachian tube, a sieve tube). 〔剖，动，植〕管状器官，管（如咽鼓管、筛管） Example sentencesExamples The endothelial tube everywhere remains intact and continuous. But when you have a cold, swollen membranes in the ear can block the Eustachian tube, he explains. Encouraging women to lose weight before becoming pregnant could independently prevent neural tube defects. The trachea is unbranched, and is formed by the division of the foregut by a longitudinal septum into two tubes - the trachea and the esophagus. The bladder and rectum originate from a single hollow tube, the endodermal cloaca. Synonyms duct, channel, passage, pipe 2.5tubesinformal A woman's fallopian tubes. 〈非正式〉输卵管 women with blocked tubes 输卵管阻塞的妇女。 Example sentencesExamples For example, it is unclear how these superficial peritoneal lesions would give rise to infertility, especially if they were distant from the fimbria of the tubes or ovaries. Adhesions can involve the uterus, tubes, ovaries, and bowels and can attach any of these structures to each other or to the floor of the pelvic area. She will have an ultrasound scan of the womb, tubes and ovaries. Mucus hostility means that the secretion from the neck of the womb is abnormal, and kills the sperm so that they cannot travel through the uterus to the tubes. It can spread to the womb and tubes leading to pelvic inflammatory disease. 2.6 A woman's close-fitting garment, typically without darts or other tailoring and made from a single piece of stretch fabric. 紧身女衣 as modifier a tube skirt Example sentencesExamples Drying herself, she wore a royal-blue tube dress with matching sapphire earrings, bracelet and necklace. For a more classic look, there's a square-necked jacket with lateral buttons worn with a tube skirt hemmed at just below the knees. Avoid constantly yanking up your denim tube dress by sliding it over your favorite top. Your daughter wears these tube skirts with rasta blouses and sandals. The lightweight tube dress goes straight from the beach to the bar. I just bought a strapless tube bra in the hopes of wearing it with skinny-strapped tank tops. The look is long and lean; a mix of retro and ultra modern with crocheted bikinis, hole-infested frocks and horizontal striped tube knit dresses. That awful pouty smile aside, the black and white striped tube dress just looks awful on Nelly. Or it can be a rip off because in the end it is just a piece of long stretch tube. I was wearing an olive green tube top that showed off my belly button. She had chosen a baby pink jean mini skirt, a matching tube top, and a white mesh jacket. 2.7 (in surfing) the hollow curve under the crest of a breaking wave. （冲浪用语）（散浪头下的）空心浪 he angled his board to get in the tube Example sentencesExamples Riding inside a tube with the wave crashing down around the surfer is particularly impressive. At Shipsterns, I think he got the best wave, the biggest tube, although they said mine was bigger. Just as with ocean waves, as the wave breaks it forms a tube. Formal elements include a foreground or apron of foaming wash, and beyond that a wall of wave as it forms a tube, then crests and crashes. 2.8informal A cigarette. 〈非正式〉香烟 as soon as the no-smoking light dies she reaches for the tubes 3the Tubetrademark in UK The underground railway system in London. 〈英，非正式〉伦敦地铁 a cross-London trek on the Tube Example sentencesExamples First of all in London we have the Tube which is still owned by the Government, so comparisons can be made there. London Tube journeys are also up five per cent. Today's Pick, the London Underground Tube Diary, is a blog about travelling on the Tube daily. So we have various views of the world map but drawn as a London Underground Tube map. Today's hot topic was the Tube lines of the London Underground. 3.1 A train running on the Londion underground system. 地铁列车 I caught the Tube home 我搭地铁回家了。 Example sentencesExamples However, on the train and tube, I heard lots of northern accents. The emergency cord was pulled, and as the tube train drew into Oval station a man dashed out of the doors and ran. Will tube trains have ‘quiet carriages’ like mainline routes do? The use of tube trains has gone down by 40% at the weekends, and between 5 and 15% on week days. Instead I will be spending two hours a day on buses, trains and the tube. 4A sealed container, typically of glass and either evacuated or filled with gas, containing two electrodes between which an electric current can be made to flow. 电子管，真空管（尤指真空或充气的玻璃管，内含两个电极，其间可有电流通过） Example sentencesExamples Early diodes in electronics were made from metal plates sealed inside evacuated glass tubes, which could be seen glowing in the innards of old radio sets. Fluorescent lamps generate light by passing electricity through a tube filled with inert gas and a small amount of mercury. When an electrical current is passed through an evacuated tube containing krypton gas, a very bright white light is produced. When a high electrical voltage is applied across the electrodes, a current begins to flow through the tube. Such lamps have two electrodes in a ceramic tube that contains small amounts of mercury and metal-halide salts. 4.1 A cathode ray tube, especially in a television set. 阴极射线管，电视显像管 colour tubes for portables Example sentencesExamples Look out for early signs of in-car computing, and the erosion of cathode-ray tubes by cheaper liquid-crystal displays. Cathode ray tubes will shrink slightly over that period, from 171 million units to 145 million. He found the same charge to mass ratio of cathode rays was seen regardless of what material was inside the tube or what the cathode was made of. Cathode ray tubes are common elements of our domestic televisions and desktop computers but are certainly one day set to become rare, given the rapid developments in alternative technologies. Simply connect the inverter to an available molex connector, and then connect both cold cathode tubes to the inverter on the opposing side. 4.2the tubeNorth American informal Television. 〈北美，非正式〉电视 watching the tube in a country bar 在一家乡村酒吧看电视。 Example sentencesExamples Because Raymond tires so easily, we spend a lot of time in front of the tube. Sally spent countless hours in front of the tube last season watching the games she was unable to attend in person. I would come home from school and turn on the tube and watch Nightmare on Elm Street. I didn't spend much time watching the tube, but what little I saw did manage to boil my blood. If he's recorded the best of the tube to watch at his leisure, maybe the TV will stay off until he wants to watch something specific. Now, you work pretty hard, as everybody knows, as evidenced from watching you on the tube. The injury delayed his spring training debut and presumably allowed more time for watching the tube. Most kids spend lots of time in front of the tube (or computer screens and video games). They'll just go zone out in front of the tube and try to forget the whole thing. The online crowd cut back on television time, watching the tube 4.5 fewer hours per week than the no-Net group did. Every evening you can find the two of us sitting at the kitchen table watching the tube. Whereas a few decades ago most homes did not have a television, today it is estimated that kids spend upwards of 25 hours per week in front of the tube. So enjoy being up, you world-weary denizens of the night; there is some stuff on the tube worth watching. This evening we had a subdued supper followed by a couple of quiet hours in front of the tube. A really bad skiing day is still better than a day spent running or sitting in front of the tube. I have been glued to the tube all weekend watching the progress of the hurricane. Cut down on TV, computer, and video game time and discourage eating while watching the tube. 4.3North American A thermionic valve. 〈北美〉热离子管 Example sentencesExamples The conduction of electricity in thin gases in vacuum tubes was the key to the discovery of the electron in 1897. This work contains the principles of operation of The Thermionic Vacuum Tube, and coordinates the phenomena encountered in a study of this field. A vacuum tube (also called an electron tube or, in the UK, a valve) is a device sometimes used to amplify electronic signals. verb tjuːbt(j)ub [with object] 1usually as adjective tubedProvide with a tube or tubes. 给…装上管子 in combination a giant eight-tubed hookah 巨型八管水烟筒。 Example sentencesExamples They are believed to produce sound by moving air through tubed extensions of the larynx to nasal plugs located near the blowholes. The wooden counter was ringed with tubed lightning, stained with smoke and alcohol. That said, the feedback I've heard from our testers indicate seating and inflating our tubeless road tires should be as easier, or even easier in some cases, than a tubed tire. The precipitate was spread homogeneously over the entire surface of the tubed medium using a serologic pipette. 2informal Fit (a person or animal) with a tube to assist breathing, especially after a laryngotomy. 〈非正式〉（给做过喉剖开术的人或动物）插管（以助呼吸） Example sentencesExamples The charge stemmed from his failure to properly record how he treated Hip Wolf on the day she was allegedly tubed, a practice of pumping medication through a tube inserted into the horse's nostril directly into its stomach. He also did not receive a license in New York, and he received separate fines for tubing a horse and misusing lasix within the last three years of his practice. 3with adverbial Convey in a tube. 用管道运输 the wells were flooded, and this water, tubed off, yielded a supply of 38,000 gallons per hour Example sentencesExamples It has an eight inch bore, and is tubed through ninety feet of earth and ten feet into the rock; the remaining three hundred and fifty feet is without tube, being all in red sandstone. It is tubed through part of the City. Synonyms tube, conduit, hose, main, duct, line, channel, canal, conveyor, pipeline, drain, tubing, piping, siphon, cylinder 4tube itBritish informal Travel on the Tube. 〈英，非正式〉乘地铁 we tubed it back to Queensway 我们坐地铁回到女王道。 no object I tubed to St Pancras 我乘地铁去的圣潘克拉斯。 Phrases go down the tube (or tubes) 给…装上管子 informal Be completely lost or wasted; fail utterly. 〈非正式〉一败涂地，完全失败 the country is going slowly and surely down the tubes 这个国家正缓慢而不可挽回地走向绝境。 Example sentencesExamples Markets are collapsing and manufacturing is going down the tubes, but the people in the malls spend regardless. I saw what happened when a dictator was allowed to take over a piece of a country and the country went down the tubes. Seeing my career go down the tubes always shakes me… Many cases have gone down the tubes simply because of bad police investigations. How can anyone expect him to sit back and carry on as normal when so many councillors have gone down the tubes? The careers of a good many public servants have gone down the tubes for less. His budget fails, and California's economy goes down the tubes. They know full well that unless they come up with a constant stream of big sellers their career will go down the tube. Now the novelty has worn off and the economy has gone down the tubes, but the artists are still coming. I felt it was my destiny to carry on like this, and it was a tremendous psychological blow when the business went down the tubes. Synonyms deteriorate, degenerate, decay, crumble, collapse, fail, fall, sink, slump, slip, slide, go downhill, worsen, get worse, go to rack and ruin, stagnate, atrophy, wither, weaken, fade, fade away, wane, ebb Derivatives tubeless adjectiveˈtjuːbləsˈt(j)ubləs That said, the feedback I've heard from our testers indicate seating and inflating our tubeless road tires should be as easier, or even easier in some cases, than a tubed tire. Example sentencesExamples It will come in both a traditional and tubeless version as well as a 29-inch size. Esophageal manometry generally is used to accurately place ambulatory pH monitoring probes, although adequate placement recently has been reported with a tubeless system. In retaliation, most of the pro men and women chose to run some form of tubeless technology. Two of the most important technological developments were Michelin's creation of the radial tyre in 1948, giving a vastly superior grip, and Dunlop coming up with the tubeless concept in 1972. tube-like adjective Mites damage ferns by puncturing the edges of fern fronds with their tube-like stylets and other mouthparts, sucking up the nutritious contents of frond cells. Example sentencesExamples Tearing a piece from a large lump of kneaded dough on the metal table, the master baker swiftly rolled it out into a long, tube-like form. Roll from this end into a tube-like shape, with pointed ends, and curve ends in to form a croissant shape. The oesophagus (food pipe) is a tube-like structure, about 25 cm long, lying in the chest. Native bluebells are true blue in colour, the blooms are tube-like and elongated, with a delicate droop Spanish bluebells are more upright, the blooms are more of a shorter, open bell-shape. Origin Mid 17th century: from French tube or Latin tubus. Rhymes boob, cube, droob, j'adoube, jube, lube, rube noun.1 phr. Definition of tube in US English: tube nount(y)o͞obt(j)ub 1A long, hollow cylinder of metal, plastic, glass, etc. for holding or transporting something, chiefly liquids or gases. （金属、塑料、玻璃等材料制的）管，管子 Example sentencesExamples The root system was submerged in nutrient solution, and a plastic tube was connected to the cut end of the stem to collect the fluid. To perform this experiment a little oil of turpentine was placed at the bottom of a glass tube surrounded with boiling liquid air. The idea is to use the plasma coating to line catheters - plastic tubes surgically inserted into the body so patients can rid themselves of waste products from the blood through a dialysis machine. Kim pulled out a small glass tube with liquid inside. The samples were stored refrigerated in plastic tubes without preservatives until further processing within 24 hours. He was going to do a tracheotomy, opening the throat and inserting a tube into the windpipe. Catheters - small plastic tubes - are inserted into veins in the arm or leg to access the heart for procedures such as angioplasties and stent placements. Anaesthesia usually begins when the anaesthetist injects a drug through a fine plastic tube inserted into a vein in the back of the hand. A straw itself will not hold up well to this experiment, so see if you can get a tube of glass or plastic. One end of the tube is connected to the cylinder, and its heat lights the fuel. This metal tip transfers your body heat to the liquid inside the glass tube. From it emerges a plastic tube with a mask that fits over my nose. This effect can also be seen when a liquid is in a tube such as a measuring cylinder. There were also racks of smaller tubes filled with clear and purple liquids and jars of empty plastic tubes. Stock should be watered weekly; this can be facilitated by attaching a perforated tube to the end of a hose and inserting the tube into the bundles. The radiologist connects a barium bag to the tube to deliver liquid barium into your colon. In other news, Junior is feeding so well that he is free of plastic tubes. Root growth is observed daily through the transparent plastic tubes. He punctured my eardrum, drained the fluid and inserted a plastic tube. A plastic tube is inserted in the nostril and down into the stomach. Synonyms vent, flue, shaft, conduit, duct, channel, pipe, pipeline, passage 1.1 The inner tube of a bicycle tire. 自行车内胎 Example sentencesExamples It is especially common with tall bikes, particularly ones with small-diameter tubes. Also be sure to plan ahead for potential damage to your bike, whether it's a pinched tube or something else entirely. The shape can be chubbier - more like a truck tire than a bicycle tube - which lowers the cost for a given plasma volume. I then spent ten minutes changing the tube in my front tyre and looking faintly sheepish. I'd like to know the advantage of using tubeless tires and why one would use tubes with tubeless tires. With theserims you can ride regular tubes and tyres and reduce rolling weight by up to 5lbs! Mount the new tire on any standard MTB wheel or rim you have around, using a tube. Barring the tyres and tubes, each part of his cycle, the valve, piston etc, was made of bamboo. They specialize in refurbishing tubular tires with new tubes. Both tires off and new mountain bike tubes are put on. Tyres and tubes were rationed but could be purchased on the black market at exorbitant prices. He had also had many requests for new tyres and tubes and other bicycle parts. It ends up looking like some kind of snarling bicycle tube. So I'm 12 miles from home, with no spare tubes, a blown tyre, and no way of fixing it. 1.2 Material made into cylindrical form; tubing. 管料；管形材料 the firm manufactures steel tube for a wide variety of applications 这家工厂生产满足多种需求的钢管。 Example sentencesExamples Construction is ingenious and apt, with social areas in balloon frame, and steel tube columns in the pool space. The fuselage was of welded steel tube truss construction and was quite stout. The helicopter has steel tube skid type landing gear. If weight continued to be an issue, it would be possible to substitute-aluminum tube for steel at the cross members or in the main frame rails. This plane had a welded steel tube fuselage which became the industry standard. Wing construction comprised two spruce spars with plywood ribs and steel tube and wire drag bracing. By mid-1931, Stanley launched a line of garden tools manufactured with all steel tube handles and stampings. The fuselage was steel tube with fabric and aluminum covering while the tail was welded steel tubing with fabric covering. The design was interesting in the fact it utilized steel tube spars in the tapered wings and a plywood - covered fuselage. Black tube steel was sourced from local foundries, together with telegraph poles and guy wires which were donated by a power supplier. Some had crudely welded steel tube frames and rudimentary suspensions. Finally a small length of silicone tube locks the helicopter bead and tubing to the lower swivel of our up-trace. The stools are made of mild steel sheet and tube using a construction method called spinning. Two wide wing bracing struts were built from steel tube and balsa wood and fabric covered. The fuselage was built out of welded chrome-molybdenum steel tube with rod bracing and fabric covering. 2A thing in the form of or resembling a tube. 管状物，尤指 Example sentencesExamples Using the plastic wrap as a guide, tightly roll up the foie gras and shape it into a tube, about two inches in diameter. These tubes and shapes are redolent of the exterior world, yet they are also evocative of our skin, our interior bodies, our senses. Three works could be manipulated; the massed tubes formed a square or circle mounted on a base that allowed a segment or the whole piece to be rotated by hand. Finally, she rolled the small scroll into a tight tube. It consisted of a system of rings corresponding to the great circles of the celestial sphere with a central tube which was used to line up stars and planets. The shell surrounds a large mantle cavity, and wraps around the viscera to form a tube. Place one-half of the marinated foie gras on the bottom half of the cloth and roll tightly to form a tube, about four-inches in diameter. Like threads twisted together to form a rope, the possible flight paths formed tubes in space. Curving peculiar squeaking sounds bend round corners as cardboard tubes, strings, and electronic squiggles are played along with distant piano. They had graduated grooves into which the pill mass, formed into a tube, was placed before being cut. His sarong is no longer just a piece of cloth sewn into a tube but is shaped into sensual curves to be worn for a formal musical soirée without feeling like a country bumpkin. At about chest height in each of the big conical tubes is a thin horizontal slot about a meter wide. Before the second class the following week, the muslin strips were stitched on two sides and turned to form a tube shape. Usually, either spheres or tubes form, but not both. 2.1 A flexible metal or plastic container sealed at one end and having a screw cap at the other, for holding a semiliquid substance ready for use. （一头密封，一头有螺旋盖，装半流质的）软金属管，塑料管 a tube of toothpaste 一管牙膏。 Example sentencesExamples The card features a bunny holding a tube of toothpaste. I love finishing things - boxes of tissues, books, tubes of toothpaste, moisturiser, notebooks, whatever. You can't put the toothpaste back into the tube. Perry went into the bathroom and grabbed the tube of toothpaste. With most tubes of toothpaste, you can roll them up and twist them to get the last bit of toothpaste out of there. In the hygiene aisle, I grabbed two tubes of toothpaste, a bottle of shampoo. Even the little tubes of toothpaste in the washrooms were taken. A toothpaste tube had been squeezed flat by a shoe. He giggles like a girl and waves a tube of auburn paint at me. In their other hands were new toothbrushes, a tube of toothpaste and container of dental floss they received from their dentists. This year's consignment of 5,000 boxes goes out this Saturday, along with blankets knitted by residents and 25,000 tubes of toothpaste. I have assumed your tube of toothpaste lasts for a little over two months Cale followed me and promptly stole the tube of toothpaste from me. He tossed out papers and paperclips and a tube of toothpaste onto the floor before finally withdrawing my inhaler. The food comes in what look like toothpaste tubes. There is a new tube of toothpaste ready and waiting. But I'll buy two giant tubes of toothpaste if I have a coupon. He remembers collecting toothpaste tubes, newspapers, pots and pans. It is no longer added to paint or pesticides and it is no longer used in such things as toothpaste tubes, tin can solder, toys and many other things. One company sent them 12,000 toothbrushes and 12,000 tubes of toothpaste. On view were five enormous inflatable white objects shaped like bottles, cans or toothpaste tubes. 2.2 A rigid cylindrical container. 圆柱形硬管 a tube of lipstick Example sentencesExamples There was a highlighter, a matchbook, a tube of lipstick, a broken pencil stub. She tossed her towel with a flourish and dug in her purse, bringing up, after some searching, a tube of lipstick. Kitten got up from her desk a tube of red lipstick in her hand. A home-made lunch is delivered in cylindrical tubes with four compartments each. The old tubes would be sent away to be ‘reconditioned’ which was a great re-use of resources. If a print is too large and has to be rolled and sent in a tube, it should be taken out immediately after it arrived at its destination. Grab an old tube of lipstick and, while looking into the bathroom mirror, trace the outline of your face onto the glass. She'd purchased a few tubes of lipstick, but they just happened to be her favorite brand, so I knew she was buying for herself. A shiny black purse, a tube of dark red lipstick, eyeshadow, white chub stick, eyeliner, and a weightless garment, fluttering to the ground. Lain walked over and pulled out the tube of white glitter lipstick out from a box propped on the dresser. The final circular Smarties tubes have rolled off the production line in York. Her voice was definitely teasing this time, as she pulled a tube of plum-colored lipstick out of her purse. She saw a tube of lipstick out of the corner of her eye and applied it to her lips before smacking them together looking at the result before grimacing and swiping it from her lips. Extending generally vertically from the supports are cylindrical tubes that accommodate long and narrow cargo such as baseball and softball bats. She then grabbed a lighter that was disguised to look like a lipstick tube. By accident, she drops her lipstick, and the silver tube rolls on the floor, stopping at my feet. To reward her efforts, Bethany was presented with a calculator shaped trophy, a tube of Smarties and a mug bearing the words, ‘I am a genius’. It was a cylindrical tube, one small bulb on a side and a pin. As he walked away, Han took out a lipstick tube from her purse and began applying it to her lips. To avoid looking like an eaves dropper, I pulled out a tube of lipstick from my pocket and began to apply a new coat of gloss. Synonyms cylinder, scroll 2.3Anatomy Botany Zoology usually with adjective or noun modifier A hollow cylindrical organ or structure in an animal body or in a plant. 〔剖，动，植〕管状器官，管（如咽鼓管、筛管） Eustachian tube sieve tube Example sentencesExamples Encouraging women to lose weight before becoming pregnant could independently prevent neural tube defects. But when you have a cold, swollen membranes in the ear can block the Eustachian tube, he explains. The trachea is unbranched, and is formed by the division of the foregut by a longitudinal septum into two tubes - the trachea and the esophagus. The endothelial tube everywhere remains intact and continuous. The bladder and rectum originate from a single hollow tube, the endodermal cloaca. Synonyms duct, channel, passage, pipe 2.4tubesinformal A woman's fallopian tubes. 〈非正式〉输卵管 Example sentencesExamples For example, it is unclear how these superficial peritoneal lesions would give rise to infertility, especially if they were distant from the fimbria of the tubes or ovaries. Adhesions can involve the uterus, tubes, ovaries, and bowels and can attach any of these structures to each other or to the floor of the pelvic area. She will have an ultrasound scan of the womb, tubes and ovaries. It can spread to the womb and tubes leading to pelvic inflammatory disease. Mucus hostility means that the secretion from the neck of the womb is abnormal, and kills the sperm so that they cannot travel through the uterus to the tubes. 2.5 A woman's close-fitting garment, typically without darts or other tailoring and made from a single piece of knitted or elasticized fabric. 紧身女衣 as modifier stretchy tube skirts 弹性紧身筒裙。 Example sentencesExamples Drying herself, she wore a royal-blue tube dress with matching sapphire earrings, bracelet and necklace. Or it can be a rip off because in the end it is just a piece of long stretch tube. I just bought a strapless tube bra in the hopes of wearing it with skinny-strapped tank tops. Avoid constantly yanking up your denim tube dress by sliding it over your favorite top. The lightweight tube dress goes straight from the beach to the bar. Your daughter wears these tube skirts with rasta blouses and sandals. For a more classic look, there's a square-necked jacket with lateral buttons worn with a tube skirt hemmed at just below the knees. That awful pouty smile aside, the black and white striped tube dress just looks awful on Nelly. The look is long and lean; a mix of retro and ultra modern with crocheted bikinis, hole-infested frocks and horizontal striped tube knit dresses. She had chosen a baby pink jean mini skirt, a matching tube top, and a white mesh jacket. I was wearing an olive green tube top that showed off my belly button. 2.6 (in surfing) the hollow curve under the crest of a breaking wave. （冲浪用语）（散浪头下的）空心浪 Example sentencesExamples Formal elements include a foreground or apron of foaming wash, and beyond that a wall of wave as it forms a tube, then crests and crashes. Riding inside a tube with the wave crashing down around the surfer is particularly impressive. Just as with ocean waves, as the wave breaks it forms a tube. At Shipsterns, I think he got the best wave, the biggest tube, although they said mine was bigger. 3the Tubetrademark in UK The subway system in London. 〈英，非正式〉伦敦地铁 Example sentencesExamples Today's Pick, the London Underground Tube Diary, is a blog about travelling on the Tube daily. First of all in London we have the Tube which is still owned by the Government, so comparisons can be made there. London Tube journeys are also up five per cent. So we have various views of the world map but drawn as a London Underground Tube map. Today's hot topic was the Tube lines of the London Underground. 3.1 A train running on the subway system in London. 地铁列车 I caught the Tube home 我搭地铁回家了。 Example sentencesExamples Will tube trains have ‘quiet carriages’ like mainline routes do? Instead I will be spending two hours a day on buses, trains and the tube. The emergency cord was pulled, and as the tube train drew into Oval station a man dashed out of the doors and ran. The use of tube trains has gone down by 40% at the weekends, and between 5 and 15% on week days. However, on the train and tube, I heard lots of northern accents. 4A sealed container, typically of glass and either evacuated or filled with gas, containing two electrodes between which an electric current can be made to flow. 电子管，真空管（尤指真空或充气的玻璃管，内含两个电极，其间可有电流通过） Example sentencesExamples Fluorescent lamps generate light by passing electricity through a tube filled with inert gas and a small amount of mercury. Early diodes in electronics were made from metal plates sealed inside evacuated glass tubes, which could be seen glowing in the innards of old radio sets. When a high electrical voltage is applied across the electrodes, a current begins to flow through the tube. Such lamps have two electrodes in a ceramic tube that contains small amounts of mercury and metal-halide salts. When an electrical current is passed through an evacuated tube containing krypton gas, a very bright white light is produced. 4.1 A cathode ray tube, especially in a television set. 阴极射线管，电视显像管 Example sentencesExamples Cathode ray tubes are common elements of our domestic televisions and desktop computers but are certainly one day set to become rare, given the rapid developments in alternative technologies. Cathode ray tubes will shrink slightly over that period, from 171 million units to 145 million. Look out for early signs of in-car computing, and the erosion of cathode-ray tubes by cheaper liquid-crystal displays. Simply connect the inverter to an available molex connector, and then connect both cold cathode tubes to the inverter on the opposing side. He found the same charge to mass ratio of cathode rays was seen regardless of what material was inside the tube or what the cathode was made of. 4.2the tubeNorth American informal Television. 〈北美，非正式〉电视 another wasted evening, sitting in front of the tube Example sentencesExamples Sally spent countless hours in front of the tube last season watching the games she was unable to attend in person. Most kids spend lots of time in front of the tube (or computer screens and video games). Every evening you can find the two of us sitting at the kitchen table watching the tube. I would come home from school and turn on the tube and watch Nightmare on Elm Street. The injury delayed his spring training debut and presumably allowed more time for watching the tube. Cut down on TV, computer, and video game time and discourage eating while watching the tube. So enjoy being up, you world-weary denizens of the night; there is some stuff on the tube worth watching. The online crowd cut back on television time, watching the tube 4.5 fewer hours per week than the no-Net group did. Because Raymond tires so easily, we spend a lot of time in front of the tube. This evening we had a subdued supper followed by a couple of quiet hours in front of the tube. If he's recorded the best of the tube to watch at his leisure, maybe the TV will stay off until he wants to watch something specific. I didn't spend much time watching the tube, but what little I saw did manage to boil my blood. A really bad skiing day is still better than a day spent running or sitting in front of the tube. They'll just go zone out in front of the tube and try to forget the whole thing. I have been glued to the tube all weekend watching the progress of the hurricane. Now, you work pretty hard, as everybody knows, as evidenced from watching you on the tube. Whereas a few decades ago most homes did not have a television, today it is estimated that kids spend upwards of 25 hours per week in front of the tube. 4.3North American A vacuum tube. Example sentencesExamples A vacuum tube (also called an electron tube or, in the UK, a valve) is a device sometimes used to amplify electronic signals. The conduction of electricity in thin gases in vacuum tubes was the key to the discovery of the electron in 1897. This work contains the principles of operation of The Thermionic Vacuum Tube, and coordinates the phenomena encountered in a study of this field. verbt(y)o͞obt(j)ub [with object] 1usually as adjective tubedProvide with a tube or tubes. 给…装上管子 in combination a giant eight-tubed hookah 巨型八管水烟筒。 Example sentencesExamples That said, the feedback I've heard from our testers indicate seating and inflating our tubeless road tires should be as easier, or even easier in some cases, than a tubed tire. The wooden counter was ringed with tubed lightning, stained with smoke and alcohol. The precipitate was spread homogeneously over the entire surface of the tubed medium using a serologic pipette. They are believed to produce sound by moving air through tubed extensions of the larynx to nasal plugs located near the blowholes. 2informal Fit (a person or animal) with a tube to assist breathing, especially after a laryngotomy. 〈非正式〉（给做过喉剖开术的人或动物）插管（以助呼吸） Phrases go down the tubes (or tube) informal Be completely lost or wasted; fail utterly. 〈非正式〉一败涂地，完全失败 we watched his political career go down the tubes Example sentencesExamples Seeing my career go down the tubes always shakes me… They know full well that unless they come up with a constant stream of big sellers their career will go down the tube. The careers of a good many public servants have gone down the tubes for less. Many cases have gone down the tubes simply because of bad police investigations. I saw what happened when a dictator was allowed to take over a piece of a country and the country went down the tubes. I felt it was my destiny to carry on like this, and it was a tremendous psychological blow when the business went down the tubes. Now the novelty has worn off and the economy has gone down the tubes, but the artists are still coming. His budget fails, and California's economy goes down the tubes. Markets are collapsing and manufacturing is going down the tubes, but the people in the malls spend regardless. How can anyone expect him to sit back and carry on as normal when so many councillors have gone down the tubes? Synonyms deteriorate, degenerate, decay, crumble, collapse, fail, fall, sink, slump, slip, slide, go downhill, worsen, get worse, go to rack and ruin, stagnate, atrophy, wither, weaken, fade, fade away, wane, ebb Origin Mid 17th century: from French tube or Latin tubus. noun.1 phr.
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