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

• They are used in a vaginal suppository, causing uterine contractions to begin a few hours after insertion.
  它们是以阴道栓剂的形式使用，塞入几个小时后开始引起子宫收缩。
• 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 signs of labor are contractions and rupture of membranes.
  分娩的症状是宫缩和羊膜破裂。
• My chart uses their data, in which recoveries have the same duration as prior contractions.
  我的图中也使用了他们的数据，他们的数据表明，这几次危机中复苏所需的时间与之前的收缩期一样长。
• 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。
• 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？
• The remaining 30 percent had either low back pain or contractures& continuous, involuntary muscle contractions.
  剩下的这30%学生，要么有腰痛，要么有挛缩&肌肉持续的、非随意的紧缩。
• 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。
• Potentially dangerous effects of DM in young children include dystonic reactions, severe involuntary muscle contractions and spasms.
  年幼儿童服用右美沙芬存在的潜在副作用包括异常反应、不随意肌严重收缩和痉挛。