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词汇 base
释义

base1

noun beɪsbeɪs
  • 1The lowest part or edge of something, especially the part on which it rests or is supported.

    基,底

    she sat down at the base of a tree

    她在一个树桩边坐下。

    Example sentencesExamples
    • He broke down several times as he told the court how his wife had been supporting the base of a ladder as he cut branches off apple trees in their garden.
    • Because the base of the stone barely touches the base upon which it rests, it appears that it could easily fall over when the sea wind blows.
    • Lie sideways on the ball with your feet supported against the base of a wall.
    • With loaded candlesticks there is a possibility that marks have been ‘let in’ to the edge of the base.
    • At its base rested a small, weathered plaque with a few words elegantly etched into the fine stone.
    • The bags are used as bed rests and table bases by some interior decorators.
    • If this has happened, gently firm around the base of the plant with the foot being careful not to damage any stems or leaves.
    • The bottom edges of the front and rear panels form a support base for the bowl.
    • All tied up I carried it to the car taking extra care to support the base which was weak from resting in the sodden duck-muck of the pen.
    • Their water tanks were usually steel on stone bases, or sometimes supported on a trestle base made of rail.
    • This figurine was designed as a candlestick, with the holder protruding from the base on either side.
    • A substantially vertical stand having a foot peg and sharpened base supports the frame.
    • Her other arm held a shield by her side, the base rested on the floor but she was not leaning on it.
    • Instead of a heated iron, the upper part of the base supports a pierced basket for charcoal.
    • He says the name of the mall was inspired by the locality of the site, which rests at the base of the Roodekrans Ridge.
    • Will the official NBA basketball that rests at the base of the potted palm in the living room remain?
    • It was still lying with crushed front forks at the base of the smaller tree.
    • The edges of this framework supported the base of the walls.
    • Resting at the thick base of the old tree sat a beautifully etched envelope.
    • The easiest way to swirl is to rest the base of the glass on a table, hold the stem between thumb and forefinger, and gently rotate the wrist.
    Synonyms
    foundation, bottom, foot, support, prop, stay, stand, pedestal, plinth, rest, bed, substructure
    1. 1.1Architecture The part of a column between the shaft and pedestal or pavement.
      〔建筑〕基底,基座
      Example sentencesExamples
      • The freestanding column shafts are wrapped in black glazed tiles and the bases have a mosaic finish.
      • Now, how can there be foundation structures such as pillar bases in the ground unless they had been put there to support a building?
      • To prevent vandalism and damage, the bases of columns are clad in stainless steel.
      • Column bases, doorsteps, baseboards, and beams - even the interior roof tiles and gutters - all are decorated.
      • Axial loading from earthquakes is minimized by seismic dampers under the column bases.
    2. 1.2Zoology Botany The end at which a part or organ is attached to the trunk or main part.
      〔植,动〕基部;连接处
      a shoot is produced at the base of the stem
      Example sentencesExamples
      • The storage organ in onion consists of scales derived from swollen leaf bases, whereas in garlic it originates from swollen lateral buds.
      • The dead leaves form a skirt around the stem until they are burnt back to the leaf bases by occasional fires to form a sheath around the true stem.
      • Their long, whip-like tail has a small dorsal fin near its base and up to five venomous spines.
      • The petiole or stipe is the stalk at the base of the frond, before the first pinna ‘branches’ from the rachis.
      • River otters have paired scent glands at the base of their tail which give off a heavy, musky smell.
    3. 1.3Geometry A line or surface on which a figure is regarded as standing.
      〔几何〕底边;底面
      the base of the triangle

      这个三角形的底边。

      Example sentencesExamples
      • The length of the base of the rhombus is the length of one of its sides, here shown with 'b'.
      • Draw 3 times smaller unilateral triangles, with their bases in the middle of each line of the first triangle.
      • It is useful to make a distinction between the base against which an entity is profiled and the domain, or domains, against which concepts take shape.
      • The two points of intersection of the latter with the sides of the triangle lie on a line parallel to the base.
      • If the height of a rectangle is 7 1/6 mm and the perimeter is 27 2/15 mm, what is the length of the base of the rectangle?
    4. 1.4Surveying A known line used as a geometrical base for trigonometry.
      〔测绘〕基线
      Example sentencesExamples
      • All of the angles and at least one side (the base) of the triangulation system are measured.
      • The base triangulation should have boundary faces; a completion is simply a new triangulation formed from the base triangulation by gluing all of the boundary faces to each other in some fashion
      • After that, a base triangulation is performed.
    5. 1.5Heraldry The lowest part of a shield.
      〔纹章〕盾徽基部
      Example sentencesExamples
      • The eagle with the outstretched wings at the base of the shield stands for loyalty to country; the olive branch in the right claw being emblematic of out national dedication to the cause of peace, while the arrows in the left claw indicate our readiness to fight for justice and freedom.
      • On the purple segment at the base of the shield is a silver stag, trotting with one fore hoof raised, within a silver ring.
      • Attached on either side of the base of the shield is a doubled, stacked scroll with the upper portion the same angle as the shield.
  • 2A conceptual structure or entity on which something draws or depends.

    基础

    the town's economic base collapsed

    这个城镇的经济基础崩溃了。

    Example sentencesExamples
    • This gives them a broad base of skills and experience when they complete their training.
    • Whatever be its conceptual base, what does the duty of reasonable care and skill of a bank encompass?
    • Working with a variety of pantheons gives you a wider base to draw on when you need help or guidance.
    • One of the fundamental bases of the structural transformation and modernization of European life and society was the development of burgerliche domesticity.
    • Some economists think Howard's approach might be the last best chance for towns that have seen family farms vanish and their economic bases crumble.
    • Felsenstein et al. 1999 compare the conceptual bases of these approaches.
    • When I arrived in 1988, this was a city that was trying to reinvent itself, realising as it was that culture could become an economic base.
    • The possibilities open to any society are constrained by the economic base.
    • We believe that it is important for economists to have a sense of the burden management faces over the next year and to help provide solid conceptual bases for the decisions that must be made.
    • As the brownstone industry expanded, it provided a broad economic base for the town of Portland.
    • And so there are three bases for friendships, depending on which of these qualities binds friends together.
    • We want to explore and expand the conceptual bases for industrial design.
    • Academic freedom rests on a solid base of peer review and as such is the responsibility of the entire profession.
    • This glimmer of hope is welcome indeed for York as Thrall has been an important part of York's broad economic base.
    • Personally I think you should find your own truth, but if you are looking for some solid structure as a base then go for it.
    • This is the key point of the book, but I am less convinced of this claim and not quite sure what lessons might be drawn from it for understanding the broader bases for sustained economic growth.
    • The experiences since the mid-1980s provide a rich base of evidence to draw on as a springboard for ongoing debate.
    • She has a long-standing interest in the social structural bases of economic activity.
    • People are motivated to have children by the need for an economic base.
    • The theoretical bases of these concepts are found in Structural Family Therapy.
    1. 2.1 A foundation or starting point for further work.
      基点,起点
      she uses existing data as the base for the study

      她以现有信息作为研究的起点。

      Example sentencesExamples
      • It started with the Native Americans who set the base for all the development.
      • Hong Kong University law professor Albert Chen said the decision was a good base for political reform discussions.
      • Since the book is intended to provide the reader a base for further study, the absence of citations is somewhat disturbing.
      • It will guarantee a solid base for those students continuing to advanced studies.
      • Since Lisbon Strategy is a topics which has not been given much attention in Croatia, the published articles represent the base for further research.
      • After completion, this will provide a firm base to push the Pattaya Sports Club into the new Millennium.
      • It also provides a new base for vital research and study of the disease carried out by the University of Sheffield.
      • But it doesn't take long to defrost, and it is a good thing to have a supply of in the freezer in case of impromptu guests or as the base for a quick easy meal.
      • For people whose school Spanish is a distant memory, this course will offer revision and updating of the written and spoken language, to improve competence and confidence and form a base for further study.
      • And whilst all the talk may have been of forwards, the base for victory was built further down the Newbridge turf.
      • His systematization of these texts became one of the chief bases for the structure of the later printed versions of this corpus of texts.
      • I think that's a fine base for a resolution for the new year.
      • That which was, is the foundation for what is now, which becomes the base for what is to come.
      Synonyms
      basis, bedrock, foundation, core, essence, essential, nitty-gritty, basics, starting point, key component, fundamental, root(s), heart, backbone, theory, principle, rationale
      source, origin, spring, well head, fountainhead, fount
    2. 2.2with modifier A group of people regarded as supporting an organization, for example by buying its products.
      (通过购买其产品等方式支持某机构的)基本群体
      a customer base
      Example sentencesExamples
      • Ortega has won his loyal client base by offering a constantly updated range across his entire empire.
      • Only by whipping up fear and loathing of trade unions among the business community will these organizations get their client base.
      • Political instability has resulted from the inability of leaders to gain support outside their regional bases.
      • A deal would allow them to merge the private client customer bases of two of the second tier stockbrokers in the Irish market.
      • York City FC has never won a major trophy, never even played in the top League, and has a supporter base of no more than 4,000 stalwarts.
      • And, how do we reformat and re-purpose output to encompass the rest of the user base?
      • There is likely to be an existing customer base for the new product and therefore the risks are lower.
      • There is considerable overlap between the supporter base of both teams; picking out the away fans was an impossible task.
      • While this robs National of issues, it is making the party increasingly unpalatable to parts of its support base.
      • The base, not even Dean supporters, but the base of the party turned on them like wolverines.
      • ProStrategy has a number of existing customers in Britain and it will expand there by adding customers to its existing client base.
      • They'd be loosely aligned, run joint advertising campaigns, and pool their supporter base.
      • Both parties rest on narrow social bases and none of their candidates have substantial popular support.
      • These initial supporters will be the base upon which you build the rest of your list.
      • The top business leadership will have to look after its bases of support, having betrayed the political class and union leaders by supporting a junta that scarcely could have done worse when in power.
      • Both parties rest on ever more narrow bases of popular support, and function openly as instruments of the financial aristocracy.
      • That approach will be helpful to maintain sales balance, customer base and market share and performance.
      • Of course, the Bibster system itself will continue its work. but this depends on the user base keeping it going.
      • Now the company's second act depends on how fast Micromarketing can diversify its client base.
      • Ten years ago the company had a customer base of only 45000 clients, with 2450 employees.
  • 3A place used as a centre of operations by the armed forces or others; a headquarters.

    〔主军〕根据地,基地,总部

    he headed back to base

    他折回总部去。

    Example sentencesExamples
    • During World War II, Utah's population increased as the government developed military bases and supported wartime industries.
    • Well, his firm had a base on the Old Kent Road under the name London Easylink, and its prime contract was route 185 from Lewisham.
    • Unique geological, glaciological, and meteorological studies continue there from purpose-built bases around the edge of Antarctica or at the South Pole.
    • After pulling up to the smooth blue band that marked the perimeter of the base, the rest of the unit limped into view.
    • Living on a Marine base on the edge of restive Ramadi is a shock to a civilian's senses.
    • Troops frequently spot suspicious figures just outside the base.
    • He said the company had always had two move workers between the two bases depending on where the work was, but now circumstances dictated closure of the Scalloway workshop for the time being.
    • A railroad line was constructed from the base to the front lines at Petersburg.
    • It was the only working lift in the building, seeing as it was underground like the rest of the base, so no one knew it existed apart from those in their sector.
    • He had an office that connected to the rest of the base through a short tube.
    • He stressed the successes not just of the aircrew but of the hundreds of Combat Support Group personnel supporting combatant forces at bases within and outside Australia.
    • We were eager to get out of there, and to the new base near the front lines.
    • Neither it is limited to armies and combatants facing each other but targets the enemy formations and supporting bases with long distance aircraft and missiles.
    • From there he was employed by Mero Space Frame, a German firm with a British base.
    • Analysts have criticised Karzai for clumsy attempts to impose his will by sending in appointees to try to implement disarmament without necessary support bases, or central backup.
    • We galloped to the base where the rest of the people were unloading the cargo.
    • The interior of the stronghold was as utilitarian as the rest of the base, made of white stone with no attempt at ornamentation.
    • When they were far enough away from the base, they all rested and sat down.
    • The firm has outgrown its base on Stricklandgate and needs extra space in order to expand and create more jobs.
    • He turned the turret to examine the rest of the base.
    Synonyms
    headquarters, centre, starting point, camp, site, station, settlement, post
    1. 3.1 The main place where a person works or stays.
      (工作或活动的)据点;基地
      she makes the studio her base

      她把工作室作为她的基地。

      your hotel is a good base from which to explore
      Example sentencesExamples
      • We then proceeded to our hotel which is the Catic Plaza, which was to become our base for five nights and it was the essence of luxury in every way.
      • From 1608, when he returned there from Italy as his mother lay dying, Rubens made Antwerp his base.
      • Installing ourselves in Gunn's Village, which was to be our base for the next three weeks, we made some less welcome acquaintances.
      • He continues to shuttle between Chennai, his base for over a decade now, and Kerala where he has several teaching assignments.
      • Peter's first six months will be very much a getting to know you process and will involve some travel, but Stephen Street will be his firm base.
      • Taking the Sighting scene as his base, Gericault went on to expand his composition unit by unit.
  • 4A main or important element or ingredient to which other things are added.

    基本成分

    soaps with a vegetable oil base

    以植物油为基本成分的肥皂。

    Example sentencesExamples
    • It has the Dr Pepper flavors as a base with berries thrown into the mix.
    • Brooks explains the smoothies are composed of yogurt base and a water/pectin solution.
    • With its distinctive dry taste, Tequila is the base for marvellous drinks, not the least of which is the Margarita.
    • Syrups are made with a base of sugar syrup, honey or perhaps maple syrup.
    • The soup base is a Western tomato soup, while the beef slice and beef stomach is stewed in a traditional Chinese sauce.
    • The appetizer was a small plate of radish pieces served in a sauce that tastes similar to the creamy vegetable soup base.
    • Make crumb base by rubbing biscuits and butter together.
    • There is a firm called Kuze, based in Ikebukuro, Tokyo, specializing in sauces and soup bases.
    • For the coconut soup base: In a pot, combine ingredients and bring to a simmer.
    • Sweetened ricotta base with apple and cherry pie filling, cookie dough and more sweet stuff.
    • It is safe and cost-effective compared to other drugs as its base is neem oil, which is available in plenty in India.
    • Then you add another whole chicken to the soup and use the soup base as your water.
    • The sweetness in milk or an ice cream base allows coffee flavors to come through.
    • This pea-flavoured stock will be the base for the soup.
    • The cast iron pan and drippings make for the base of a tremendous sauce.
    Synonyms
    medium, vehicle, carrier
    1. 4.1mass noun A substance into which a pigment is mixed to form paint, such as water, oil, or powdered aluminium hydroxide.
      (油漆的)基(质),载色剂,底层,底涂
      Example sentencesExamples
      • The alcohol and dissolved base are then mixed with the oil and agitated for one to two hours.
      • Whether you choose water or solvent base, your next choice is going to be liquid or semi-paste.
      • Using oil base paint or glaze will slow the drying time and allow you more time to blend your veins.
    2. 4.2mass noun A substance used as a foundation for make-up.
      (化妆品)粉底
      her make-up artist works with base, eye make-up, and lipstick
      Example sentencesExamples
      • Their legacy is cemented in a strange concoction of Karo syrup, red dye, and makeup base.
      • Its richer, heavier structure means that it is also extremely good as a moisturiser and it is an excellent base under make-up.
      • You can reshape your brows this way: Cover the brows with an opaque makeup base.
      • To make eye colours ‘pop,’ use a light or neutral concealer as your eye makeup base.
      • I don't believe in eating junk and I protect my face all the time from the sun, even in the winter with base and makeup.
      • Makeup base is one of the most commonly misused cosmetics, but it doesn't have to be.
  • 5Chemistry
    A substance capable of reacting with an acid to form a salt and water, or (more broadly) of accepting or neutralizing hydrogen ions.

    〔化〕碱。比较 ALKALI

    Compare with acid and alkali
    Example sentencesExamples
    • They found that these nonaqueous-superacid solutions reacted with weak bases which did not react with either sulfuric or perchloric acid in water.
    • Nitric acid reacted with a base will give the nitrate of the salt and water.
    • Neutralization is a chemical reaction in which a base reacts with an acid to create water and a salt.
    • Soon chemists became more interested in studying the properties of acids and bases and the neutralization reaction between the two substances.
    • Metallic oxides are bases because the oxide ions accept protons from water molecules, thereby generating hydroxide ions in solution.
    1. 5.1Biochemistry A purine or pyrimidine group in a nucleotide or nucleic acid.
      〔生化〕碱基
      Example sentencesExamples
      • Oxidized bases (both pyrimidines and purines) and misincorporated uracil, were similar for fresh and frozen lymphocytes.
      • There are four DNA bases: adenine, cytosine, guanine, and thymine (A, C, G, and T).
      • The nucleosides are better models for the bases in DNA and RNA because the sugar moiety eliminates tautomers that cannot occur in the polymers.
      • Purine salvage pathway allows interconversion of bases, nucleosides and nucleotides.
      • Radical-induced cleavage of DNA and oxidation of nucleotide bases can proceed.
  • 6Electronics
    The middle part of a bipolar transistor, separating the emitter from the collector.

    〔电子〕(晶体管的)基极

    Example sentencesExamples
    • Transistors are composed of three parts - a base, a collector, and an emitter.
    • The presence of this P + layer results in pinch-off between itself and the bipolar base.
    • A resistor RB is required to limit the current flowing into the base of the transistor and prevent it being damaged.
  • 7Linguistics
    The root or stem of a word or a derivative.

    〔语言学〕词根;词基

    Example sentencesExamples
    • According to Crystal, a prefixation is “an affix is placed before the base of the word” (1997, p. 90).
    • The children had to say the base of a suffixed word pronounced by the experimenter.
    • The Greek Xu-w, which etymologists justly connect with our loose, loosen, may possibly be the base of the word.
    1. 7.1 The uninflected form of a verb.
      动词原形
      Example sentencesExamples
      • So if you want to conjugate a regular - er verb, simply remove the - er ending from the infinitive and place the base of the verb in front of the endings.
      • The verb base is what you look up in the dictionary when you want to know how to say something.
      • Determine the ending of the verb that goes with that pronoun and add it to the base of the verb you want to use in the sentence.
  • 8Mathematics
    A number used as the basis of a numeration scale.

    〔数〕(数系的)基(数)

    Example sentencesExamples
    • Arabic astronomers used a base 60 version of Arabic letter system.
    • There is no logical reason why we cannot use any integer bigger than zero for a base.
    • Some historians believe that the Babylonian base 60 place-value system was transmitted to the Indians via the Greeks.
    • If base 10 is used with an additive system without intermediate symbols then many characters are required to express certain numbers.
    • The Egyptians had a bases 10 system of hieroglyphs for numerals.
    1. 8.1 A number in terms of which other numbers are expressed as logarithms.
      (对数的)底
      Example sentencesExamples
      • In that year Briggs gave a numerical approximation to the base 10 logarithm of e but did not mention e itself in his work.
      • Taking logarithms to the base, we are looking for a solution.
      • Choosing different numbers gives logarithms to different bases.
  • 9Baseball
    Each of the four stations that must be reached in turn to score a run.

    〔棒球〕垒

    See also first base
    Example sentencesExamples
    • ‘I made sure I touched every one of those sweet white bases,’ Fisk told Maury Allen of the New York Post.
    • There's no reason he shouldn't hit 30 home runs and steal 30 bases if he stays healthy.
    • During baseball season, fire hydrants and stoops serve as bases, the middle of the street as the field.
    • Four different times I switched over to see the bases loaded, scoring I believe a total of one run.
    • He first arranged four of these in a diamond-shaped pattern to represent the bases and home plate.
verb beɪsbeɪs
[with object]
  • 1base something onUse (something specified) as the foundation or starting point for something.

    基点,起点

    the film is based on a novel by Pat Conroy

    那部电影是以派特·康罗伊的一部小说为基础的。

    entitlement will be based on income

    津贴将以收入为基础。

    Example sentencesExamples
    • Rosenstiel bases his conclusion on reasoning very different than ours.
    • Was he basing his conclusion on facts or was he being swayed because she was a beautiful young woman in distress that had made a favorable impression.
    • You don't know how they relate until you examine them and it's better to examine the evidence than base conclusions on wishful thinking.
    • Rutenberg bases his conclusion on numbers provided by Nielsen Media Research.
    • I've read poor reviews here, and elsewhere, about the conductor, so I base my conclusions on that…!
    • When it came to a philosophy of politics and ethics, again Archytas based his ideas on mathematical foundations.
    • Last year, for example, the government based its conclusions on the general level of pesticides in all fresh peas from only 27 samples.
    • Dershwitz based his conclusion on witnesses who said Reid had slurred speech and difficulty holding up his head at the start of the interview.
    • He bases his conclusion on the stories he's been told, as well as the occupancy load (number of students per classroom) and the variety of activities that take place in schools.
    • Unfortunately, they base their conclusions on a survey from a print-on-demand publisher.
    • The researchers, from Imperial College School of Medicine at the National Heart and Lung Institute in London, based their conclusions on a study of 625 children in Ashford, Kent.
    • The last thing the humans needed was a major leak of information that could potentially destroy the very foundation their resistance was based on.
    • Miramax has hired playwright Warren Leight to come up with a script, but Roddy Doyle - who wrote the novel the original film was based on - will not be getting involved.
    • Cooper based this conclusion on the fact that since 1892 the operation had been depositing materials, which sank to the river bottom.
    • I have no idea what the evidence is that they may be basing their conclusion on.
    • Some of the articles included discuss the novel that the film has been based on, which is often used in Japanese classrooms.
    • The US Senate committee report says it based its conclusions on documents from the Iraqi oil ministry, distinct from those alleged foreign ministry papers relied upon by the Telegraph.
    • Although he based his films on Kannada novels, the novelists complained that their stories had been altered.
    • This defines the foundation our society is based on: equal rights, freedom and peace.
    • A group of scientists favoring nuclear power accuses Kennedy of basing her conclusions on fear, not science.
    Synonyms
    found, build, construct, form, establish, ground, root
    use as a basis
    rest, hinge
    emanate from, derive from, spring from, stem from, originate in, have its origin in, can be traced back to
  • 2Situate at a specified place as the centre of operations.

    将…的活动中心(或总部)设在某地

    the Science Policy Review Unit is based at the University of Sussex

    科学策略审核单位的活动中心设在苏塞克斯大学。

    a London-based band

    一支常驻伦敦的乐队。

    Example sentencesExamples
    • I am however hedging my bets quite firmly on it being a London based blog that wins.
    • The open road is calling for Nike Akinfenwa, who hopes to take a year out to travel, basing herself in London and moving on from there.
    • I needed to be based in this area because of my work so we really had no other choice but to rent.
    • The consultants have also been approached by a cosmetic surgery company which is interested in basing itself at the hospital.
    • In recent weeks, the flights have been stopping at Larnaca in Cyprus where BA is basing its crews operating to the Middle East.
    • All operations are home based and will require just a couple of hours of your time.
    • I was in Boston, and then we ended up all moving here to New York and basing ourselves here.
    • It is thought he too does not count as an overseas player as he has been based in England for some time.
    • And when the exams are out the way, she intends to go full time, basing herself abroad.
    • The choice in Jura is limited, so you may be better off basing yourself on Islay and visiting just for the day.
    • We were based up near the Kelvinside Park area and he used to go out and wander about.
    • He is based in Devizes half of the week and the rest of the time in West Gloucestershire.
    • In his place you will get a locally based MP who will be available to listen and to act for you.
    • I ask where they are based and nine times out of ten they are in a country many miles away.
    • I will be based near a few of the training camps and hope to see what the England boys are doing.
    • Galbraith was confused by the blank help and asked where the man he was talking to was based.
    • As a result, both are now basing themselves at the Endurance Performance Centre at St Mary's University, Twickenham.
    • Both are based in Harpurhey and the area has been the inspiration for much of their work.
    Synonyms
    locate, station, situate, post, position, place, install, deploy, site, establish, garrison

Phrases

  • off base

    • informal Mistaken.

      〈非正式,主北美〉错误的

      the boy is way off base
      Example sentencesExamples
      • The question was, are they off base, the party, in going into tax cuts and abortion which the public doesn't seem to be on their side with?
      • In reflecting on what I wrote yesterday about all the American soldiers being war criminals, I realize that I was way off base.
      • Sometimes he makes sense, sometimes he seems wildly off base.
      • I'd say the comparisons to Nazis and Hitler are not only off base, but a blatant attempt to further demonize America and its troops.
      • I think he's an idealist, which is good, but I think he's way off base here.
      • I thought your editing was off base, by the way, as are most of your long-winded comments on this site.
      • Let me ask you something that, perhaps, is a little off base.
      • If Mr. Zakaria's diagnosis is off base, his remedy is incomprehensible.
      • I don't imagine that these complaints are too far off base.
      • Similarly, the initial hypothesis is often way off base and this subtly drives home the fact that whilst these people are supremely good at their jobs, no one is perfect.
  • touch base

    • informal Briefly make or renew contact with someone.

      〈非正式,主北美〉(与…)联系,恢复联系

      they are travelling back to Star City, where they plan to touch base with relatives
      Example sentencesExamples
      • I finally got sick of wondering what she was up to, and touched base, and we are now in regular, close contact.
      • Well, circumstances conspired against that goal but I did have a good break and even touched base with the family again (always a good thing).
      • Among those Roussel touched base with were Helen Thomas, Chris Wallace and his boss from the Ford White House days, Donald Rumsfeld.
      • A lot of them had not touched base with their loved ones, with their spouses, with their parents, with their children, and their friends.
      • If you aren't hunting for new sources of supply, you may use the opportunity to touch base and renew relationships.
      • I also spent Monday touching base with various reporters and editors at mainstream newspapers and magazines in Washington, and not one would defend CBS's action in this case.
      • You touch base with acquaintances or business contacts you wouldn't otherwise contact.
      • Just want to touch base if anyone wants to contact me and have a chat about the year.
      • This partnership basically helps in leveraging resources and touching base with communities faster.
      • That is calling people, touching base with contacts.

Origin

Middle English: from Old French, from Latin basis 'base, pedestal', from Greek.

  • There are two different words spelled as ‘base’ in English. The old-fashioned one meaning ‘low, ignoble’ comes from Latin bassus ‘short’, also the source of to abase (Late Middle English). The low musical bass (Late Middle English) and the bassoon (early 18th century) come from the same source. The other base comes, along with basis (late 16th century) and basic (mid 19th century), via Latin from Greek basis, which meant ‘step’ and ‘pedestal’. Its first English meaning was ‘the pedestal of a statue’. Basement (mid 18th century) probably comes via archaic Dutch basement ‘foundation’, from Italian basamento ‘base of a column’, from basis.

    Although baseball is primarily an American game the earliest recorded use of the word is actually from Jane Austen in Northanger Abbey: ‘It was not very wonderful that Catherine…should prefer cricket, base ball…to books.’ Phrases drawn from the US game are familiar elsewhere. A notable example is to touch base, ‘to briefly make or renew contact with something or somebody’. Other phrases using base include to get to first base, ‘to achieve the first step towards your objective’, and off base, ‘mistaken’, though these are still primarily American. See also bat

Rhymes

abase, ace, apace, backspace, bass, brace, case, chase, dace, efface, embrace, encase, enchase, enlace, face, grace, interlace, interspace, in-your-face, lace, mace, misplace, outface, outpace, pace, place, plaice, race, space, Thrace, trace, upper case

base2

adjective beɪsbeɪs
  • 1Without moral principles; ignoble.

    the electorate's baser instincts of greed and selfishness

    选民那贪婪自私的卑劣本性。

    Example sentencesExamples
    • In their bodiliness, images make men desert rationality in favor of base instinct.
    • If humankind did not have a consciousness and still lived on the base instinct of perpetuation of the species, we would simply be born, mature, mate and die.
    • And since they did not see fit to acknowledge God, God gave them up to a base mind and to improper conduct.
    • Some believe that the people's base instincts could even throw the peace process off course.
    • The meaning of human life would be reduced to the physical, base animal instincts, trapped within the contours of the body.
    • There was nothing sheltering this base creature from the eye of his moral superiors.
    • By appealing to the base instincts of race and religion the President and his able cohorts are naturally inducing one crisis after the other.
    • Whilst detained we came face to face with base police corruption.
    • His antagonism towards the media will be recast as a firmness of character that wouldn't pander to the most base instincts of people.
    • Even as a young man, however, Jekyll had a penchant for base pleasures.
    • The story is intent on delving into the core of what it means to be human and what kind of base behaviors we are susceptible to, both good and bad.
    • It is also a saga about the savagery that can result when the British and the Irish resort to their base instincts.
    • In contrast a man must be specially trained not to trample - their base instinct is to cause harm.
    • Did you figure that, I, the writer, was a base individual who was using a cheap ploy to attract potential readers?
    • And it is one way to shine moral clarity on a subject that too often inspires only base moral equivalence.
    • It's just the ones who want to scream it in the streets and have their base instincts publicly titillated I wish to avoid, and should be able to.
    • My base instinct was to go round the dressing room and clip a few, but unfortunately those days were well gone.
    • However, his inner and outer selves are constant and we do not see, in his monologues, the base evil of his Machiavellian soul.
    • Small wonder that she places her faith in spite and base dishonesty.
    • The Party is pandering to the racist, base instincts of the right wing press and politicians.
    Synonyms
    sordid, improper, low, mean, bad, wrong, evil, wicked, iniquitous, immoral, sinful
    unscrupulous, unprincipled, unseemly, unsavoury, shoddy, squalid, vile, foul, vulgar, tawdry, cheap, low-minded, debased, degenerate, depraved, corrupt, reprobate, dissolute, dishonest, dishonourable, disreputable, despicable, discreditable, contemptible, petty, ignominious, ignoble, shameful, wretched, scandalous, infamous, abhorrent, abominable, disgusting
  • 2archaic Denoting or befitting a person of low social class.

    〈古〉卑下的,卑贱的

    Example sentencesExamples
    • The thought of such a man with a background of base peasants to be Kikyo's teacher was almost ludicrous.
    • "Fetch, base peasant!! Remain invisible!!!" demanded your cold visage.
    • Farewell, base peasant, and thank God thy fathers were no gentlemen.
  • 3(of coins or other articles) not made of precious metal.

    (硬币或其他物体)掺杂贱金属的;成色低的

    the basest coins in the purse were made in the 620s AD
    Example sentencesExamples
    • Compared with precious metals, base metals are plentiful in nature and therefore much cheaper, of course.
    • Most modern currencies are fiat currency, allowing the coins to be made of base metal.
    • A longtime goal of the alchemists was the transmutation of base metals into precious metals.

Derivatives

  • basely

  • adverb ˈbeɪsliˈbeɪsli
    • In such countries, the master acts as basely towards his prince as his slave does towards himself - civil slavery is linked to political slavery.
      Example sentencesExamples
      • Can she who professed delicacy of sentiment and sincere regard for me, use me so very basely and so very cruelly?
      • How could a man of such a lofty ethical character stoop so basely?
      • See how men, who have been well-trained, prefer to receive a blow rather than basely avoid it!
      • Some observers interpret these symbols cynically, as opportunistic, basely commercial, unquestioningly nationalistic expressions of pro-war sentiment.

Origin

Late Middle English: from Old French bas, from medieval Latin bassus 'short' (found in classical Latin as a cognomen). Early senses included 'low, short' and 'of inferior quality'; from the latter arose a sense 'low in the social scale', and hence (mid 16th century) 'reprehensibly cowardly, selfish, or mean'.

base1

nounbeɪsbās
  • 1The lowest part or edge of something, especially the part on which it rests or is supported.

    基,底

    she sat down at the base of a tree

    她在一个树桩边坐下。

    Example sentencesExamples
    • The easiest way to swirl is to rest the base of the glass on a table, hold the stem between thumb and forefinger, and gently rotate the wrist.
    • Instead of a heated iron, the upper part of the base supports a pierced basket for charcoal.
    • Will the official NBA basketball that rests at the base of the potted palm in the living room remain?
    • He broke down several times as he told the court how his wife had been supporting the base of a ladder as he cut branches off apple trees in their garden.
    • This figurine was designed as a candlestick, with the holder protruding from the base on either side.
    • Her other arm held a shield by her side, the base rested on the floor but she was not leaning on it.
    • A substantially vertical stand having a foot peg and sharpened base supports the frame.
    • Lie sideways on the ball with your feet supported against the base of a wall.
    • Because the base of the stone barely touches the base upon which it rests, it appears that it could easily fall over when the sea wind blows.
    • If this has happened, gently firm around the base of the plant with the foot being careful not to damage any stems or leaves.
    • With loaded candlesticks there is a possibility that marks have been ‘let in’ to the edge of the base.
    • At its base rested a small, weathered plaque with a few words elegantly etched into the fine stone.
    • Resting at the thick base of the old tree sat a beautifully etched envelope.
    • All tied up I carried it to the car taking extra care to support the base which was weak from resting in the sodden duck-muck of the pen.
    • The bottom edges of the front and rear panels form a support base for the bowl.
    • He says the name of the mall was inspired by the locality of the site, which rests at the base of the Roodekrans Ridge.
    • The bags are used as bed rests and table bases by some interior decorators.
    • It was still lying with crushed front forks at the base of the smaller tree.
    • The edges of this framework supported the base of the walls.
    • Their water tanks were usually steel on stone bases, or sometimes supported on a trestle base made of rail.
    Synonyms
    foundation, bottom, foot, support, prop, stay, stand, pedestal, plinth, rest, bed, substructure
    1. 1.1Architecture The part of a column between the shaft and pedestal or pavement.
      〔建筑〕基底,基座
      Example sentencesExamples
      • Axial loading from earthquakes is minimized by seismic dampers under the column bases.
      • Column bases, doorsteps, baseboards, and beams - even the interior roof tiles and gutters - all are decorated.
      • Now, how can there be foundation structures such as pillar bases in the ground unless they had been put there to support a building?
      • To prevent vandalism and damage, the bases of columns are clad in stainless steel.
      • The freestanding column shafts are wrapped in black glazed tiles and the bases have a mosaic finish.
    2. 1.2Botany Zoology The end at which a part or organ is attached to the trunk or main part.
      〔植,动〕基部;连接处
      a shoot is produced at the base of the stem
      Example sentencesExamples
      • River otters have paired scent glands at the base of their tail which give off a heavy, musky smell.
      • The storage organ in onion consists of scales derived from swollen leaf bases, whereas in garlic it originates from swollen lateral buds.
      • The petiole or stipe is the stalk at the base of the frond, before the first pinna ‘branches’ from the rachis.
      • The dead leaves form a skirt around the stem until they are burnt back to the leaf bases by occasional fires to form a sheath around the true stem.
      • Their long, whip-like tail has a small dorsal fin near its base and up to five venomous spines.
    3. 1.3Geometry A line or surface on which a figure is regarded as standing.
      〔几何〕底边;底面
      the base of the triangle

      这个三角形的底边。

      Example sentencesExamples
      • Draw 3 times smaller unilateral triangles, with their bases in the middle of each line of the first triangle.
      • The two points of intersection of the latter with the sides of the triangle lie on a line parallel to the base.
      • The length of the base of the rhombus is the length of one of its sides, here shown with 'b'.
      • It is useful to make a distinction between the base against which an entity is profiled and the domain, or domains, against which concepts take shape.
      • If the height of a rectangle is 7 1/6 mm and the perimeter is 27 2/15 mm, what is the length of the base of the rectangle?
    4. 1.4Surveying A line of known length used in triangulation.
      Example sentencesExamples
      • After that, a base triangulation is performed.
      • The base triangulation should have boundary faces; a completion is simply a new triangulation formed from the base triangulation by gluing all of the boundary faces to each other in some fashion
      • All of the angles and at least one side (the base) of the triangulation system are measured.
    5. 1.5Heraldry The lowest part of a shield.
      〔纹章〕盾徽基部
      Example sentencesExamples
      • On the purple segment at the base of the shield is a silver stag, trotting with one fore hoof raised, within a silver ring.
      • Attached on either side of the base of the shield is a doubled, stacked scroll with the upper portion the same angle as the shield.
      • The eagle with the outstretched wings at the base of the shield stands for loyalty to country; the olive branch in the right claw being emblematic of out national dedication to the cause of peace, while the arrows in the left claw indicate our readiness to fight for justice and freedom.
  • 2A conceptual structure or entity on which something draws or depends.

    基础

    the town's economic base collapsed

    这个城镇的经济基础崩溃了。

    Example sentencesExamples
    • The experiences since the mid-1980s provide a rich base of evidence to draw on as a springboard for ongoing debate.
    • The theoretical bases of these concepts are found in Structural Family Therapy.
    • Felsenstein et al. 1999 compare the conceptual bases of these approaches.
    • This gives them a broad base of skills and experience when they complete their training.
    • Whatever be its conceptual base, what does the duty of reasonable care and skill of a bank encompass?
    • We believe that it is important for economists to have a sense of the burden management faces over the next year and to help provide solid conceptual bases for the decisions that must be made.
    • People are motivated to have children by the need for an economic base.
    • The possibilities open to any society are constrained by the economic base.
    • And so there are three bases for friendships, depending on which of these qualities binds friends together.
    • This is the key point of the book, but I am less convinced of this claim and not quite sure what lessons might be drawn from it for understanding the broader bases for sustained economic growth.
    • This glimmer of hope is welcome indeed for York as Thrall has been an important part of York's broad economic base.
    • Academic freedom rests on a solid base of peer review and as such is the responsibility of the entire profession.
    • As the brownstone industry expanded, it provided a broad economic base for the town of Portland.
    • We want to explore and expand the conceptual bases for industrial design.
    • When I arrived in 1988, this was a city that was trying to reinvent itself, realising as it was that culture could become an economic base.
    • She has a long-standing interest in the social structural bases of economic activity.
    • Working with a variety of pantheons gives you a wider base to draw on when you need help or guidance.
    • Personally I think you should find your own truth, but if you are looking for some solid structure as a base then go for it.
    • One of the fundamental bases of the structural transformation and modernization of European life and society was the development of burgerliche domesticity.
    • Some economists think Howard's approach might be the last best chance for towns that have seen family farms vanish and their economic bases crumble.
    1. 2.1 Something used as a foundation or starting point for further work; a basis.
      基点,起点
      uses existing data as the base for the study

      她以现有信息作为研究的起点。

      Example sentencesExamples
      • It also provides a new base for vital research and study of the disease carried out by the University of Sheffield.
      • Hong Kong University law professor Albert Chen said the decision was a good base for political reform discussions.
      • After completion, this will provide a firm base to push the Pattaya Sports Club into the new Millennium.
      • His systematization of these texts became one of the chief bases for the structure of the later printed versions of this corpus of texts.
      • And whilst all the talk may have been of forwards, the base for victory was built further down the Newbridge turf.
      • It started with the Native Americans who set the base for all the development.
      • That which was, is the foundation for what is now, which becomes the base for what is to come.
      • But it doesn't take long to defrost, and it is a good thing to have a supply of in the freezer in case of impromptu guests or as the base for a quick easy meal.
      • Since the book is intended to provide the reader a base for further study, the absence of citations is somewhat disturbing.
      • For people whose school Spanish is a distant memory, this course will offer revision and updating of the written and spoken language, to improve competence and confidence and form a base for further study.
      • It will guarantee a solid base for those students continuing to advanced studies.
      • Since Lisbon Strategy is a topics which has not been given much attention in Croatia, the published articles represent the base for further research.
      • I think that's a fine base for a resolution for the new year.
      Synonyms
      basis, bedrock, foundation, core, essence, essential, nitty-gritty, basics, starting point, key component, fundamental, root, roots, heart, backbone, theory, principle, rationale
    2. 2.2with modifier A group of people regarded as supporting an organization, for example by buying its products.
      (通过购买其产品等方式支持某机构的)基本群体
      a client base

      客户群。

      Example sentencesExamples
      • Ortega has won his loyal client base by offering a constantly updated range across his entire empire.
      • They'd be loosely aligned, run joint advertising campaigns, and pool their supporter base.
      • York City FC has never won a major trophy, never even played in the top League, and has a supporter base of no more than 4,000 stalwarts.
      • These initial supporters will be the base upon which you build the rest of your list.
      • A deal would allow them to merge the private client customer bases of two of the second tier stockbrokers in the Irish market.
      • The base, not even Dean supporters, but the base of the party turned on them like wolverines.
      • Both parties rest on ever more narrow bases of popular support, and function openly as instruments of the financial aristocracy.
      • There is considerable overlap between the supporter base of both teams; picking out the away fans was an impossible task.
      • ProStrategy has a number of existing customers in Britain and it will expand there by adding customers to its existing client base.
      • Now the company's second act depends on how fast Micromarketing can diversify its client base.
      • There is likely to be an existing customer base for the new product and therefore the risks are lower.
      • That approach will be helpful to maintain sales balance, customer base and market share and performance.
      • Ten years ago the company had a customer base of only 45000 clients, with 2450 employees.
      • Of course, the Bibster system itself will continue its work. but this depends on the user base keeping it going.
      • Both parties rest on narrow social bases and none of their candidates have substantial popular support.
      • And, how do we reformat and re-purpose output to encompass the rest of the user base?
      • The top business leadership will have to look after its bases of support, having betrayed the political class and union leaders by supporting a junta that scarcely could have done worse when in power.
      • While this robs National of issues, it is making the party increasingly unpalatable to parts of its support base.
      • Only by whipping up fear and loathing of trade unions among the business community will these organizations get their client base.
      • Political instability has resulted from the inability of leaders to gain support outside their regional bases.
  • 3A place used as a center of operations by the armed forces or others; a headquarters.

    〔主军〕根据地,基地,总部

    the corporal headed back to base

    他折回总部去。

    a base for shipping operations

    水运业务基地。

    Example sentencesExamples
    • He had an office that connected to the rest of the base through a short tube.
    • The interior of the stronghold was as utilitarian as the rest of the base, made of white stone with no attempt at ornamentation.
    • After pulling up to the smooth blue band that marked the perimeter of the base, the rest of the unit limped into view.
    • Analysts have criticised Karzai for clumsy attempts to impose his will by sending in appointees to try to implement disarmament without necessary support bases, or central backup.
    • Unique geological, glaciological, and meteorological studies continue there from purpose-built bases around the edge of Antarctica or at the South Pole.
    • During World War II, Utah's population increased as the government developed military bases and supported wartime industries.
    • He stressed the successes not just of the aircrew but of the hundreds of Combat Support Group personnel supporting combatant forces at bases within and outside Australia.
    • Neither it is limited to armies and combatants facing each other but targets the enemy formations and supporting bases with long distance aircraft and missiles.
    • We were eager to get out of there, and to the new base near the front lines.
    • The firm has outgrown its base on Stricklandgate and needs extra space in order to expand and create more jobs.
    • Well, his firm had a base on the Old Kent Road under the name London Easylink, and its prime contract was route 185 from Lewisham.
    • He said the company had always had two move workers between the two bases depending on where the work was, but now circumstances dictated closure of the Scalloway workshop for the time being.
    • From there he was employed by Mero Space Frame, a German firm with a British base.
    • Living on a Marine base on the edge of restive Ramadi is a shock to a civilian's senses.
    • Troops frequently spot suspicious figures just outside the base.
    • A railroad line was constructed from the base to the front lines at Petersburg.
    • It was the only working lift in the building, seeing as it was underground like the rest of the base, so no one knew it existed apart from those in their sector.
    • He turned the turret to examine the rest of the base.
    • We galloped to the base where the rest of the people were unloading the cargo.
    • When they were far enough away from the base, they all rested and sat down.
    Synonyms
    headquarters, centre, starting point, camp, site, station, settlement, post
    1. 3.1 The main place where a person works or stays.
      (工作或活动的)据点;基地
      she makes the studio her base

      她把工作室作为她的基地。

      Example sentencesExamples
      • From 1608, when he returned there from Italy as his mother lay dying, Rubens made Antwerp his base.
      • We then proceeded to our hotel which is the Catic Plaza, which was to become our base for five nights and it was the essence of luxury in every way.
      • Taking the Sighting scene as his base, Gericault went on to expand his composition unit by unit.
      • Peter's first six months will be very much a getting to know you process and will involve some travel, but Stephen Street will be his firm base.
      • He continues to shuttle between Chennai, his base for over a decade now, and Kerala where he has several teaching assignments.
      • Installing ourselves in Gunn's Village, which was to be our base for the next three weeks, we made some less welcome acquaintances.
  • 4A main or important element or ingredient to which other things are added.

    基本成分

    soaps with a vegetable oil base

    以植物油为基本成分的肥皂。

    Example sentencesExamples
    • Brooks explains the smoothies are composed of yogurt base and a water/pectin solution.
    • Then you add another whole chicken to the soup and use the soup base as your water.
    • The appetizer was a small plate of radish pieces served in a sauce that tastes similar to the creamy vegetable soup base.
    • For the coconut soup base: In a pot, combine ingredients and bring to a simmer.
    • The sweetness in milk or an ice cream base allows coffee flavors to come through.
    • It has the Dr Pepper flavors as a base with berries thrown into the mix.
    • Sweetened ricotta base with apple and cherry pie filling, cookie dough and more sweet stuff.
    • Syrups are made with a base of sugar syrup, honey or perhaps maple syrup.
    • This pea-flavoured stock will be the base for the soup.
    • There is a firm called Kuze, based in Ikebukuro, Tokyo, specializing in sauces and soup bases.
    • With its distinctive dry taste, Tequila is the base for marvellous drinks, not the least of which is the Margarita.
    • Make crumb base by rubbing biscuits and butter together.
    • The cast iron pan and drippings make for the base of a tremendous sauce.
    • It is safe and cost-effective compared to other drugs as its base is neem oil, which is available in plenty in India.
    • The soup base is a Western tomato soup, while the beef slice and beef stomach is stewed in a traditional Chinese sauce.
    Synonyms
    medium, vehicle, carrier
    1. 4.1 A substance such as water or oil into which a pigment is mixed to form paint.
      Example sentencesExamples
      • Using oil base paint or glaze will slow the drying time and allow you more time to blend your veins.
      • Whether you choose water or solvent base, your next choice is going to be liquid or semi-paste.
      • The alcohol and dissolved base are then mixed with the oil and agitated for one to two hours.
    2. 4.2 A substance used as a foundation for makeup.
      (化妆品)粉底
      Example sentencesExamples
      • Their legacy is cemented in a strange concoction of Karo syrup, red dye, and makeup base.
      • I don't believe in eating junk and I protect my face all the time from the sun, even in the winter with base and makeup.
      • You can reshape your brows this way: Cover the brows with an opaque makeup base.
      • Its richer, heavier structure means that it is also extremely good as a moisturiser and it is an excellent base under make-up.
      • Makeup base is one of the most commonly misused cosmetics, but it doesn't have to be.
      • To make eye colours ‘pop,’ use a light or neutral concealer as your eye makeup base.
  • 5Chemistry
    A substance capable of reacting with an acid to form a salt and water, or (more broadly) of accepting or neutralizing hydrogen ions.

    〔化〕碱。比较 ALKALI

    Compare with alkali
    Example sentencesExamples
    • Metallic oxides are bases because the oxide ions accept protons from water molecules, thereby generating hydroxide ions in solution.
    • Nitric acid reacted with a base will give the nitrate of the salt and water.
    • Soon chemists became more interested in studying the properties of acids and bases and the neutralization reaction between the two substances.
    • Neutralization is a chemical reaction in which a base reacts with an acid to create water and a salt.
    • They found that these nonaqueous-superacid solutions reacted with weak bases which did not react with either sulfuric or perchloric acid in water.
    1. 5.1Biochemistry A purine or pyrimidine group in a nucleotide or nucleic acid.
      〔生化〕碱基
      Example sentencesExamples
      • Purine salvage pathway allows interconversion of bases, nucleosides and nucleotides.
      • The nucleosides are better models for the bases in DNA and RNA because the sugar moiety eliminates tautomers that cannot occur in the polymers.
      • Oxidized bases (both pyrimidines and purines) and misincorporated uracil, were similar for fresh and frozen lymphocytes.
      • Radical-induced cleavage of DNA and oxidation of nucleotide bases can proceed.
      • There are four DNA bases: adenine, cytosine, guanine, and thymine (A, C, G, and T).
  • 6Electronics
    The middle part of a bipolar transistor, separating the emitter from the collector.

    〔电子〕(晶体管的)基极

    Example sentencesExamples
    • A resistor RB is required to limit the current flowing into the base of the transistor and prevent it being damaged.
    • The presence of this P + layer results in pinch-off between itself and the bipolar base.
    • Transistors are composed of three parts - a base, a collector, and an emitter.
  • 7Linguistics
    The root or stem of a word or a derivative.

    〔语言学〕词根;词基

    Example sentencesExamples
    • According to Crystal, a prefixation is “an affix is placed before the base of the word” (1997, p. 90).
    • The Greek Xu-w, which etymologists justly connect with our loose, loosen, may possibly be the base of the word.
    • The children had to say the base of a suffixed word pronounced by the experimenter.
    1. 7.1 The uninflected form of a verb.
      动词原形
      Example sentencesExamples
      • So if you want to conjugate a regular - er verb, simply remove the - er ending from the infinitive and place the base of the verb in front of the endings.
      • Determine the ending of the verb that goes with that pronoun and add it to the base of the verb you want to use in the sentence.
      • The verb base is what you look up in the dictionary when you want to know how to say something.
  • 8Mathematics
    A number used as the basis of a numeration scale.

    〔数〕(数系的)基(数)

    Example sentencesExamples
    • If base 10 is used with an additive system without intermediate symbols then many characters are required to express certain numbers.
    • The Egyptians had a bases 10 system of hieroglyphs for numerals.
    • Arabic astronomers used a base 60 version of Arabic letter system.
    • Some historians believe that the Babylonian base 60 place-value system was transmitted to the Indians via the Greeks.
    • There is no logical reason why we cannot use any integer bigger than zero for a base.
    1. 8.1 A number in terms of which other numbers are expressed as logarithms.
      (对数的)底
      Example sentencesExamples
      • Taking logarithms to the base, we are looking for a solution.
      • Choosing different numbers gives logarithms to different bases.
      • In that year Briggs gave a numerical approximation to the base 10 logarithm of e but did not mention e itself in his work.
  • 9Baseball
    One of the four stations that must be reached in turn to score a run.

    〔棒球〕垒

    Example sentencesExamples
    • There's no reason he shouldn't hit 30 home runs and steal 30 bases if he stays healthy.
    • He first arranged four of these in a diamond-shaped pattern to represent the bases and home plate.
    • Four different times I switched over to see the bases loaded, scoring I believe a total of one run.
    • ‘I made sure I touched every one of those sweet white bases,’ Fisk told Maury Allen of the New York Post.
    • During baseball season, fire hydrants and stoops serve as bases, the middle of the street as the field.
    1. 9.1informal Used to refer to progressive levels of sexual intimacy.
      she and her boyfriend got to second base
      Example sentencesExamples
      • I'm hoping that she'll let me get to third base with her soon.
      • I feel like a peeper in the boys locker room listening to a guy tell his best bud how he got to second base.
      • She messed around with some other guy (when I say "messed around," I mean they didn't get past second base, but still, it hurt.)
      • Most of the schoolyard talk of a 13-year-old boy at the time was about which base did you get to with what girl.
verbbeɪsbās
[with object]
  • 1Have as the foundation for (something); use as a point from which (something) can develop.

    the film is based on a novel by Pat Conroy

    那部电影是以派特·康罗伊的一部小说为基础的。

    inaccurate conclusions based on incomplete facts
    Example sentencesExamples
    • He bases his conclusion on the stories he's been told, as well as the occupancy load (number of students per classroom) and the variety of activities that take place in schools.
    • A group of scientists favoring nuclear power accuses Kennedy of basing her conclusions on fear, not science.
    • Rosenstiel bases his conclusion on reasoning very different than ours.
    • Rutenberg bases his conclusion on numbers provided by Nielsen Media Research.
    • I have no idea what the evidence is that they may be basing their conclusion on.
    • The last thing the humans needed was a major leak of information that could potentially destroy the very foundation their resistance was based on.
    • Unfortunately, they base their conclusions on a survey from a print-on-demand publisher.
    • The US Senate committee report says it based its conclusions on documents from the Iraqi oil ministry, distinct from those alleged foreign ministry papers relied upon by the Telegraph.
    • Dershwitz based his conclusion on witnesses who said Reid had slurred speech and difficulty holding up his head at the start of the interview.
    • Was he basing his conclusion on facts or was he being swayed because she was a beautiful young woman in distress that had made a favorable impression.
    • This defines the foundation our society is based on: equal rights, freedom and peace.
    • The researchers, from Imperial College School of Medicine at the National Heart and Lung Institute in London, based their conclusions on a study of 625 children in Ashford, Kent.
    • Although he based his films on Kannada novels, the novelists complained that their stories had been altered.
    • Last year, for example, the government based its conclusions on the general level of pesticides in all fresh peas from only 27 samples.
    • You don't know how they relate until you examine them and it's better to examine the evidence than base conclusions on wishful thinking.
    • Some of the articles included discuss the novel that the film has been based on, which is often used in Japanese classrooms.
    • When it came to a philosophy of politics and ethics, again Archytas based his ideas on mathematical foundations.
    • Cooper based this conclusion on the fact that since 1892 the operation had been depositing materials, which sank to the river bottom.
    • Miramax has hired playwright Warren Leight to come up with a script, but Roddy Doyle - who wrote the novel the original film was based on - will not be getting involved.
    • I've read poor reviews here, and elsewhere, about the conductor, so I base my conclusions on that…!
    Synonyms
    found, build, construct, form, establish, ground, root
  • 2Situate as the center of operations.

    as adjective, in combination a London-based band
    a research program based at the University of Arizona
    Example sentencesExamples
    • I ask where they are based and nine times out of ten they are in a country many miles away.
    • It is thought he too does not count as an overseas player as he has been based in England for some time.
    • I am however hedging my bets quite firmly on it being a London based blog that wins.
    • Both are based in Harpurhey and the area has been the inspiration for much of their work.
    • And when the exams are out the way, she intends to go full time, basing herself abroad.
    • As a result, both are now basing themselves at the Endurance Performance Centre at St Mary's University, Twickenham.
    • The choice in Jura is limited, so you may be better off basing yourself on Islay and visiting just for the day.
    • I will be based near a few of the training camps and hope to see what the England boys are doing.
    • The open road is calling for Nike Akinfenwa, who hopes to take a year out to travel, basing herself in London and moving on from there.
    • I was in Boston, and then we ended up all moving here to New York and basing ourselves here.
    • In recent weeks, the flights have been stopping at Larnaca in Cyprus where BA is basing its crews operating to the Middle East.
    • The consultants have also been approached by a cosmetic surgery company which is interested in basing itself at the hospital.
    • In his place you will get a locally based MP who will be available to listen and to act for you.
    • He is based in Devizes half of the week and the rest of the time in West Gloucestershire.
    • Galbraith was confused by the blank help and asked where the man he was talking to was based.
    • I needed to be based in this area because of my work so we really had no other choice but to rent.
    • All operations are home based and will require just a couple of hours of your time.
    • We were based up near the Kelvinside Park area and he used to go out and wander about.
    Synonyms
    locate, station, situate, post, position, place, install, deploy, site, establish, garrison

Phrases

  • touch base(s)

    • informal Briefly make or renew contact with someone.

      〈非正式,主北美〉(与…)联系,恢复联系

      Example sentencesExamples
      • You touch base with acquaintances or business contacts you wouldn't otherwise contact.
      • I finally got sick of wondering what she was up to, and touched base, and we are now in regular, close contact.
      • A lot of them had not touched base with their loved ones, with their spouses, with their parents, with their children, and their friends.
      • This partnership basically helps in leveraging resources and touching base with communities faster.
      • Just want to touch base if anyone wants to contact me and have a chat about the year.
      • Among those Roussel touched base with were Helen Thomas, Chris Wallace and his boss from the Ford White House days, Donald Rumsfeld.
      • That is calling people, touching base with contacts.
      • Well, circumstances conspired against that goal but I did have a good break and even touched base with the family again (always a good thing).
      • I also spent Monday touching base with various reporters and editors at mainstream newspapers and magazines in Washington, and not one would defend CBS's action in this case.
      • If you aren't hunting for new sources of supply, you may use the opportunity to touch base and renew relationships.

Origin

Middle English: from Old French, from Latin basis ‘base, pedestal’, from Greek.

base2

adjectivebeɪsbās
  • 1(of a person or a person's actions or feelings) without moral principles; ignoble.

    (人、行为或感情)卑鄙的,卑劣的

    the electorate's baser instincts of greed and selfishness

    选民那贪婪自私的卑劣本性。

    we hope his motives are nothing so base as money
    Example sentencesExamples
    • And it is one way to shine moral clarity on a subject that too often inspires only base moral equivalence.
    • The story is intent on delving into the core of what it means to be human and what kind of base behaviors we are susceptible to, both good and bad.
    • It is also a saga about the savagery that can result when the British and the Irish resort to their base instincts.
    • It's just the ones who want to scream it in the streets and have their base instincts publicly titillated I wish to avoid, and should be able to.
    • The meaning of human life would be reduced to the physical, base animal instincts, trapped within the contours of the body.
    • There was nothing sheltering this base creature from the eye of his moral superiors.
    • Even as a young man, however, Jekyll had a penchant for base pleasures.
    • And since they did not see fit to acknowledge God, God gave them up to a base mind and to improper conduct.
    • By appealing to the base instincts of race and religion the President and his able cohorts are naturally inducing one crisis after the other.
    • Small wonder that she places her faith in spite and base dishonesty.
    • However, his inner and outer selves are constant and we do not see, in his monologues, the base evil of his Machiavellian soul.
    • Some believe that the people's base instincts could even throw the peace process off course.
    • The Party is pandering to the racist, base instincts of the right wing press and politicians.
    • My base instinct was to go round the dressing room and clip a few, but unfortunately those days were well gone.
    • If humankind did not have a consciousness and still lived on the base instinct of perpetuation of the species, we would simply be born, mature, mate and die.
    • In their bodiliness, images make men desert rationality in favor of base instinct.
    • His antagonism towards the media will be recast as a firmness of character that wouldn't pander to the most base instincts of people.
    • Whilst detained we came face to face with base police corruption.
    • Did you figure that, I, the writer, was a base individual who was using a cheap ploy to attract potential readers?
    • In contrast a man must be specially trained not to trample - their base instinct is to cause harm.
    Synonyms
    sordid, improper, low, mean, bad, wrong, evil, wicked, iniquitous, immoral, sinful
  • 2archaic Denoting or befitting a person of low social class.

    〈古〉卑下的,卑贱的

    Example sentencesExamples
    • Farewell, base peasant, and thank God thy fathers were no gentlemen.
    • "Fetch, base peasant!! Remain invisible!!!" demanded your cold visage.
    • The thought of such a man with a background of base peasants to be Kikyo's teacher was almost ludicrous.
  • 3(of coins or other articles) not made of precious metal.

    (硬币或其他物体)掺杂贱金属的;成色低的

    the basest coins in the purse were made in the seventh century AD
    Example sentencesExamples
    • Most modern currencies are fiat currency, allowing the coins to be made of base metal.
    • A longtime goal of the alchemists was the transmutation of base metals into precious metals.
    • Compared with precious metals, base metals are plentiful in nature and therefore much cheaper, of course.

Origin

Late Middle English: from Old French bas, from medieval Latin bassus ‘short’ (found in classical Latin as a cognomen). Early senses included ‘low, short’ and ‘of inferior quality’; from the latter arose a sense ‘low in the social scale’, and hence (mid 16th century) ‘reprehensibly cowardly, selfish, or mean’.

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