contractions

英 [kənˈtrækʃənz]

美 [kənˈtrækʃənz]

n.  收缩; 缩小; (肌肉的)收缩，挛缩; (尤指分娩时的)子宫收缩; 词的缩约形式
contraction的复数

柯林斯词典

• (分娩时的)子宫收缩，宫缩
  When a woman who is about to give birth hascontractions, she experiences a very strong, painful tightening of the muscles of her womb.
• N-COUNT (词的)缩约形式
  Acontractionis a shortened form of a word or words.
  1. 'It's' (with an apostrophe) should be used only as a contraction for 'it is'.
     it's (带撇号)只能用作 it is 的缩约形式。
• See also:contract

双语例句

• Contractions are much more common in speech than in writing.
  缩略词在口语里比在书写中常见得多。
• Convulsion characterized by alternating contractions and relaxations.
  以肌肉收缩和放松交替变化为特征的痉挛。
• An electronic device that monitors fetal heartbeat and the mother's uterine contractions during childbirth.
  中心频率未调制频率分娩时监视胎儿心跳和母体子宫收缩频率的电子装置。
• Pains felt by a woman after her baby is born; associated with contractions of the uterus.
  妇女生产后感到的疼痛；和子宫收缩有关。
• The signs of labor are contractions and rupture of membranes.
  分娩的症状是宫缩和羊膜破裂。
• Stimulates and maintains nerve signals and muscle contractions.
  促进和维持神经和肌肉收缩的。
• Pain in the head caused by dilation of cerebral arteries or muscle contractions or a reaction to drugs.
  头脑血管扩张或肌肉紧缩或药物作用引起的头部疼痛。
• In humans higher oxytocin levels have been linked to physiological phenomena like contractions during childbirth, or orgasm.
  对人类而言，更高的催产素与像孕子期时的收缩或者高潮等生理现象相关。
• Cramps are muscular contractions which tie the tendons into knots.
  痉挛是肌肉收缩，筋缠到关节上了。
• Because contractions of the cervix and vagina during orgasm transport semen deeper into the reproductive tract.
  这是因为，在高潮期间，宫颈和阴道的收缩会将精液运送到生殖道更深处。