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

• 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。
• Caution: This point is forbidden for pregnant women because its stimulation can cause premature contractions in the uterus.
  注意：这一点对于孕妇是被禁止的，因为它的刺激可引起子宫早期收缩研究。
• 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。
• 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。
• 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。
• You can feel strong contractions in both sets of muscles.
  你可以感到两组肌肉都在猛烈收缩。
• 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？
• 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。
• 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。