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

• 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。
• 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。
• 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。
• Fourth, fiscal contractions that rely on spending cuts are more expansionary than tax-driven adjustment.
  第四，与税收驱动的调整相比，依赖于削减支出的财政紧缩更具有扩张性。
• 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。
• 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。
• Signs of imminent labor include the rupture of membranes and regular contractions.
  临盆的征兆包括薄膜的破裂和有规律的收缩。
• Natural history of ventricular premature contractions in children with a structurally normal heart: does origin matter?
  结构正常心脏儿童室性期前收缩的自然史：起源是否重要？
• Abnormally long muscular contractions; slow relaxation of a muscle after a contraction.
  肌肉不正常的拉长；肌肉收缩后缓慢放松。
• 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。