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。
• 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。
• 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。
• Strong contractions could lead to rupture of the uterus.
  强烈的收缩可能引起子宫破裂。
• 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。
• 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。
• 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。
• 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？
• 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。