constrict

英 [kənˈstrɪkt]

美 [kənˈstrɪkt]

v.  (使)紧缩，缩窄; 限制; 限定; 抑制; 约束

过去分词：constricted　现在分词：constricting　过去式：constricted　第三人称单数：constricts　

TOEFLIELTSGRE

Collins.1 / BNC.19255 / COCA.15930

牛津词典

verb

• （使）紧缩，缩窄
  to become tighter or narrower; to make sth tighter or narrower
  1. Her throat constricted and she swallowed hard.
     她喉咙发紧，使劲地咽了一下唾沫。
  2. a drug that constricts the blood vessels.
     收缩血管的药
• 限制；限定；抑制；约束
  to limit or restrict what sb is able to do
  1. Film-makers of the time were constricted by the censors.
     那时的电影制作人受到了审查官的限制。
  2. constricting rules and regulations
     具有约束性的规章制度

柯林斯词典

• V-ERG (使)(身体部位，尤指喉咙)收紧，收缩
  If a part of your body, especially your throat,is constrictedor if itconstricts, something causes it to become narrower.
  1. Severe migraine can be treated with a drug which constricts the blood vessels...
     严重的偏头疼可以用一种收缩血管的药物进行治疗。
  2. My throat constricted, so that I had to concentrate on breathing.
     我的嗓子发紧，所以我不得不把注意力集中在呼吸上。
• VERB 限制;束缚;约束
  If somethingconstrictsyou, it limits your actions so that you cannot do what you want to do.
  1. She objects to the tests the Government's advisers have devised because they constrict her teaching style...
     她反对政府顾问设计的考试，因为这些考试限制了她的教学风格。
  2. Men and women alike have been constricted by traditional sexual roles.
     男性和女性同样受到传统性别角色的束缚。

英英释义

verb

• become tight or as if tight
  1. Her throat constricted
  Synonym:constringenarrow
• squeeze or press together
  1. she compressed her lips
  2. the spasm contracted the muscle
  Synonym:compresssqueezecompactcontractpress

双语例句

• The drug causes the blood vessels to constrict.
  这种药使血管收缩。
• One such defense: A thermal regulator in the brain, after receiving messages from temperature sensors in the skin, automatically alerts blood vessels there to constrict.
  其中一种御寒机制是：大脑中有一个温度调节系统，在接收到皮肤中的温度传感器发来的信息后，温度调节系统会自动提醒皮肤血管收缩。
• Are you sure to constrict the picture database?
  您确定要压缩当前的图像数据库吗？
• To conserve blood that will be needed by muscles, skin vessels constrict while vessels of the muscles dilate.
  为了保存肌肉所需要的血液，皮肤血管收缩，而肌肉血管舒张。
• Doesn't that tight bracelet constrict your arm?
  那个手镯那么紧不会压迫你的手臂吗？
• When flesh is exposed to prolonged or severe cold, it causes blood vessels to constrict;
  肉体一旦长时间暴露在严寒中，或接触的温度太低，就会造成血管收缩；
• Severe migraine can be treated with a drug which constricts the blood vessels
  严重的偏头疼可以用一种收缩血管的药物进行治疗。
• The bandage can be tightened to constrict the flow of blood.
  勒紧绷带以减缓血液的流动。
• Levels of endothelin-1, proteins that constrict blood vessels and raise blood pressure, decreased by 14%.
  内皮素-1的水平则降低了14%，该类蛋白质会使血管收缩、血压升高。
• Panic can constrict the blood vessels and impose an additional burden on the heart.
  恐慌会使血管收缩，增加心脏负担。