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

• The signs of labor are contractions and rupture of membranes.
  分娩的症状是宫缩和羊膜破裂。
• Muscle contractions are powered by the chemical adenosine triphosphate ( ATP).
  肌肉收缩是由化学物质三磷酸腺苷（ATP）提供动力的。
• Stimulates and maintains nerve signals and muscle contractions.
  促进和维持神经和肌肉收缩的。
• Regular contractions means the contractions are increasing in length and intensity and are coming at decreasing intervals.
  有规律的宫缩意思是收缩的长度和强度增加，并且伴随着时间间隔的减少。
• What it says is that existing laws of physics can account for a succession of expansions and contractions.
  它所要表达的是：现有的物理定律就能解释接连不断的膨胀和收缩。
• 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。
• The strain of the contractions and the pushing caused the aneurysm to rupture.
  收缩的张力和推挤使得动脉瘤破裂了。
• 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。
• This limits its ability to respond to domestic contractions.
  这限制了中国应对国内经济萎缩的能力。
• 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。