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词汇 constrict
释义

Definition of constrict in English:

constrict

verb kənˈstrɪktkənˈstrɪkt
[with object]
  • 1Make narrower, especially by encircling pressure.

    使缩窄,使收缩;压缩;收紧

    chemicals that constrict the blood vessels

    使血管收缩的化学药品。

    Example sentencesExamples
    • Doctors treat shock by stabilizing blood pressure with medications that increase the heart rate, constrict large blood vessels, or increase the volume of blood the heart pumps.
    • Pilocarpine drops may be used to constrict the pupil and re-establish circulation of aqueous humor.
    • Other pollutants, such as nitrogen dioxide and sulfur dioxide, irritate the eyes, constrict air passages and lower the body's resistance to colds and other respiratory illnesses.
    • It increases the heart rate and blood pressure, constricts the small blood vessels under your skin, causes changes in blood composition and metabolism, and increases the production of hormones.
    • Chemicals inhaled from cigarettes constrict tiny blood vessels in the skin, thus reducing the oxygen and nutrient supply to delicate facial tissue.
    • It can also constrict blood vessels and cause chest pain or irregular heart beats.
    • This enlargement constricts the urethra so the flow of urine is reduced, making it increasingly difficult to empty the bladder.
    • The band constricts the stomach, thus producing a small pouch with a narrow opening into the lower stomach.
    • Peptides produced in the milk during culturing seem to inhibit chemicals that constrict vessels and increase blood pressure.
    • The last image he remembered from that time long ago was two strong hands clutching his throat, squeezing the life out of him, constricting his air flow.
    • She'd climb on with a bit of a problem, her tight little shirt wouldn't allow her too much freedom and the narrow stilettos constricted her feet.
    • It speeds the heart rate, constricts blood vessels, and can raise blood pressure to dangerous levels.
    • Because high blood pressure constricts the blood vessels in the uterus that supply the baby with oxygen and nutrients, the baby's growth may be slowed.
    • All forms of hypertension can constrict the blood vessels in the uterus that supply the fetus with oxygen and nutrients.
    • Results indicate that while cocaine did constrict brain blood vessels in men, it failed to do so in women.
    • As a result, caffeine dilates your pupils, speeds your heart rate, constricts your blood vessels, raises your blood pressure, and tightens your muscles.
    • Clinicians should remember to ‘fill up the tank’ before attempting to constrict the vessel.
    • In both cases, nicotine is absorbed and may constrict blood vessels and raise blood pressure.
    • This will help constrict the blood vessel and stop the bleeding.
    • In colder temperatures, the heart tolerates less exertion because the body reacts to cold by constricting small arteries.
    Synonyms
    narrow, make/become narrower, tighten, compress, contract, make/become smaller, shrink, draw in
    squeeze, choke, strangle, strangulate
    archaic straiten
    1. 1.1no object Become narrower.
      缩窄,收缩;变紧
      he felt his throat constrict

      他感到喉咙发紧。

      Example sentencesExamples
      • This junk causes your throat and nose to constrict, immediately reducing lung capacity.
      • He had wanted to start some form of conversation, but before he could, his throat would constrict in nervousness.
      • He looked so desperate my throat began to constrict.
      • Hot tears sprung into her eyes and her throat began to constrict.
      • His heart constricted tightly in his chest as the wetness seeped into Michael's eyes.
      • Her throat constricts, and she swallows painfully, trying to keep her voice steady.
      • I felt my throat constricting and my hands became clammy.
      • His throat constricted at her innocent teasing.
      • I felt my throat constrict, and not trusting myself to speak, I nodded.
      • He could almost feel his heart constrict in his chest as he remembered that moment.
      • Tears rose swiftly and her throat constricted.
      • If the sympathetic nervous system is damaged, however, the blood vessels do not constrict and blood pressure progressively decreases.
      • A weight seemingly pressed on my chest and my throat constricted.
      • Choking back a sob, he felt his throat constrict.
      • Matt's throat constricted painfully and he dashed, trainers squeaking on the shiny floor, to the high bed, only just stopping himself jumping onto it.
      • As stress can make blood vessels constrict and blood pressure rise, it may also reduce the heart's ability to relax and fill with blood, researchers says.
      • Without warning my throat constricted and my eyes filled with tears.
      • So Alex loved someone, I felt my heart constrict tightly as I registered what he said.
      • His throat constricts, and he clears it quietly while standing up from his chair.
      • It's like my throat is constricting or my lungs aren't working.
    2. 1.2 (of a snake) coil round (prey) in order to asphyxiate it.
      (蛇)盘绕以使窒息
      boas constrict and suffocate their prey
      Example sentencesExamples
      • The snakes also twist while constricting, in order to break the backs of their unfortunate prey.
      • The boa nailed the rat immediately and the rat gave out the loudest squeal I have ever heard as the snake constricted him.
      • But it takes about four minutes for a rat to die of asphyxiation, whereas a snake can constrict a rodent to death in just one.
      • Would you rather be bitten by a poisonous snake or constricted by a python?
      • They will kill their prey by wrapping around them and constricting or by pressing them against the burrow walls.
      • The pythons have around 250 teeth and catch their prey by biting, grabbing, then wrapping themselves around the prey and constricting it.
      • I quickly retrieved my digital camera and took this series of photographs as the snake constricted and consumed the bird.
      • I saluted my rescuer with a roar and followed him as he swooped down on a giant yellow cobra that was constricting my friend.
      • It became harder and harder to get a breath as the snake constricted around his ribs.
      Synonyms
      choke, choke to death, suffocate, smother, stifle
    3. 1.3 Inhibit or restrict.
      the fear and the reality of crime constrict many people's lives

      对犯罪的恐惧和罪恶的现实束缚了许多人的生活。

      Example sentencesExamples
      • It constricts his creativity and his autonomy.
      • Despite two illustrious parents, the company has been severely constricted for cash.
      • He said shoes constricted his creativity.
      • Having a shirt on probably constricts his creativity.
      • But this meant that the economic life of Europe was severely constricted.
      • And how does your perception of reality enlarge or constrict the life that calls you forward?
      • She does not want to be constricted by a narrow feminism nor does she accept the cultural burden handed to her as a woman.
      • Then pressure constricted his movement and confidence, and an untimely double fault crept into his game.
      Synonyms
      impede, restrict, inhibit, obstruct, limit, interfere with, hinder, hamper, check, curb

Derivatives

  • constrictive

  • adjective kənˈstrɪktɪvkənˈstrɪktɪv
    • This curious, needlessly constrictive recording technique does make the album's deliberate, measured structure more impressive though not necessarily more entertaining.
      Example sentencesExamples
      • Gradually living becomes easier and every thought and action is in tune with ourselves - an affirmation that removes all constrictive, knotty obstacles.
      • Nowadays, many couples are wary of marriage, seeing it as a constrictive arrangement.
      • And yet a lot of jazz musicians and critics and fans, in print and on the web, have been complaining that it's too constrictive.
      • The immigration restrictions on the entering of the country for any adult, but certainly for a pregnant adult, can be constrictive.

Origin

Mid 18th century: from Latin constrict- 'bound tightly together', from the verb constringere (see constrain).

Rhymes

addict, afflict, conflict, contradict, convict, delict, depict, evict, hand-picked, inflict, interdict, Pict, predict, reconvict, strict

Definition of constrict in US English:

constrict

verbkənˈstriktkənˈstrɪkt
[with object]
  • 1Make narrower, especially by encircling pressure.

    使缩窄,使收缩;压缩;收紧

    chemicals that constrict the blood vessels

    使血管收缩的化学药品。

    Example sentencesExamples
    • Results indicate that while cocaine did constrict brain blood vessels in men, it failed to do so in women.
    • Other pollutants, such as nitrogen dioxide and sulfur dioxide, irritate the eyes, constrict air passages and lower the body's resistance to colds and other respiratory illnesses.
    • In both cases, nicotine is absorbed and may constrict blood vessels and raise blood pressure.
    • This will help constrict the blood vessel and stop the bleeding.
    • Peptides produced in the milk during culturing seem to inhibit chemicals that constrict vessels and increase blood pressure.
    • Chemicals inhaled from cigarettes constrict tiny blood vessels in the skin, thus reducing the oxygen and nutrient supply to delicate facial tissue.
    • The last image he remembered from that time long ago was two strong hands clutching his throat, squeezing the life out of him, constricting his air flow.
    • Clinicians should remember to ‘fill up the tank’ before attempting to constrict the vessel.
    • As a result, caffeine dilates your pupils, speeds your heart rate, constricts your blood vessels, raises your blood pressure, and tightens your muscles.
    • It speeds the heart rate, constricts blood vessels, and can raise blood pressure to dangerous levels.
    • This enlargement constricts the urethra so the flow of urine is reduced, making it increasingly difficult to empty the bladder.
    • Because high blood pressure constricts the blood vessels in the uterus that supply the baby with oxygen and nutrients, the baby's growth may be slowed.
    • Pilocarpine drops may be used to constrict the pupil and re-establish circulation of aqueous humor.
    • All forms of hypertension can constrict the blood vessels in the uterus that supply the fetus with oxygen and nutrients.
    • It can also constrict blood vessels and cause chest pain or irregular heart beats.
    • It increases the heart rate and blood pressure, constricts the small blood vessels under your skin, causes changes in blood composition and metabolism, and increases the production of hormones.
    • She'd climb on with a bit of a problem, her tight little shirt wouldn't allow her too much freedom and the narrow stilettos constricted her feet.
    • The band constricts the stomach, thus producing a small pouch with a narrow opening into the lower stomach.
    • Doctors treat shock by stabilizing blood pressure with medications that increase the heart rate, constrict large blood vessels, or increase the volume of blood the heart pumps.
    • In colder temperatures, the heart tolerates less exertion because the body reacts to cold by constricting small arteries.
    Synonyms
    narrow, become narrower, make narrower, tighten, compress, contract, become smaller, make smaller, shrink, draw in
    1. 1.1no object Become narrower.
      缩窄,收缩;变紧
      he felt his throat constrict

      他感到喉咙发紧。

      Example sentencesExamples
      • Without warning my throat constricted and my eyes filled with tears.
      • Matt's throat constricted painfully and he dashed, trainers squeaking on the shiny floor, to the high bed, only just stopping himself jumping onto it.
      • His throat constricted at her innocent teasing.
      • So Alex loved someone, I felt my heart constrict tightly as I registered what he said.
      • This junk causes your throat and nose to constrict, immediately reducing lung capacity.
      • It's like my throat is constricting or my lungs aren't working.
      • Hot tears sprung into her eyes and her throat began to constrict.
      • I felt my throat constrict, and not trusting myself to speak, I nodded.
      • If the sympathetic nervous system is damaged, however, the blood vessels do not constrict and blood pressure progressively decreases.
      • He had wanted to start some form of conversation, but before he could, his throat would constrict in nervousness.
      • His throat constricts, and he clears it quietly while standing up from his chair.
      • I felt my throat constricting and my hands became clammy.
      • He looked so desperate my throat began to constrict.
      • His heart constricted tightly in his chest as the wetness seeped into Michael's eyes.
      • Tears rose swiftly and her throat constricted.
      • He could almost feel his heart constrict in his chest as he remembered that moment.
      • Choking back a sob, he felt his throat constrict.
      • Her throat constricts, and she swallows painfully, trying to keep her voice steady.
      • A weight seemingly pressed on my chest and my throat constricted.
      • As stress can make blood vessels constrict and blood pressure rise, it may also reduce the heart's ability to relax and fill with blood, researchers says.
    2. 1.2 (of a snake) coil around (prey) in order to asphyxiate it.
      (蛇)盘绕以使窒息
      Example sentencesExamples
      • The pythons have around 250 teeth and catch their prey by biting, grabbing, then wrapping themselves around the prey and constricting it.
      • But it takes about four minutes for a rat to die of asphyxiation, whereas a snake can constrict a rodent to death in just one.
      • Would you rather be bitten by a poisonous snake or constricted by a python?
      • I saluted my rescuer with a roar and followed him as he swooped down on a giant yellow cobra that was constricting my friend.
      • They will kill their prey by wrapping around them and constricting or by pressing them against the burrow walls.
      • The boa nailed the rat immediately and the rat gave out the loudest squeal I have ever heard as the snake constricted him.
      • I quickly retrieved my digital camera and took this series of photographs as the snake constricted and consumed the bird.
      • The snakes also twist while constricting, in order to break the backs of their unfortunate prey.
      • It became harder and harder to get a breath as the snake constricted around his ribs.
      Synonyms
      choke, choke to death, suffocate, smother, stifle
    3. 1.3 Inhibit or restrict.
      the fear and the reality of crime constrict many people's lives

      对犯罪的恐惧和罪恶的现实束缚了许多人的生活。

      Example sentencesExamples
      • And how does your perception of reality enlarge or constrict the life that calls you forward?
      • She does not want to be constricted by a narrow feminism nor does she accept the cultural burden handed to her as a woman.
      • Then pressure constricted his movement and confidence, and an untimely double fault crept into his game.
      • But this meant that the economic life of Europe was severely constricted.
      • It constricts his creativity and his autonomy.
      • Having a shirt on probably constricts his creativity.
      • He said shoes constricted his creativity.
      • Despite two illustrious parents, the company has been severely constricted for cash.
      Synonyms
      impede, restrict, inhibit, obstruct, limit, interfere with, hinder, hamper, check, curb

Origin

Mid 18th century: from Latin constrict- ‘bound tightly together’, from the verb constringere (see constrain).

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