contraction

英 [kənˈtrækʃn]

美 [kənˈtrækʃn]

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

复数：contractions　

TOEFLTEM4TEM8医学

Collins.1 / BNC.6570 / COCA.8686

牛津词典

noun

• 收缩；缩小
  the process of becoming smaller
  1. the expansion and contraction of the metal
     金属的膨胀与收缩
  2. The sudden contraction of the markets left them with a lot of unwanted stock.
     股票市场骤然收缩，让他们剩下了许多无人要的股票。
• （肌肉的）收缩，挛缩；（尤指分娩时的）子宫收缩
  a sudden and painful contracting of muscles, especially of the muscles around a woman's womb that happen when she is giving birth to a child
  1. The contractions started coming every five minutes.
     子宫开始每隔五分钟收缩一次。
• 词的缩约形式
  a short form of a word
  1. ‘He's’ may be a contraction of ‘he is’ or ‘he has’.
     he's可以是he is或he has的缩约形式。

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

英英释义

noun

• the act of decreasing (something) in size or volume or quantity or scope
• (physiology) a shortening or tensing of a part or organ (especially of a muscle or muscle fiber)
  Synonym:muscular contractionmuscle contraction
• a word formed from two or more words by omitting or combining some sounds
  1. `won't' is a contraction of `will not'
  2. `o'clock' is a contraction of `of the clock'
• the process or result of becoming smaller or pressed together
  1. the contraction of a gas on cooling
  Synonym:compressioncondensation

双语例句

• But the global financial crisis set off a contraction in debt and of excess demand in overconsuming countries.
  但全球金融危机引起了过度消费国债务和超额需求的缩减。
• Actin: One of two proteins responsible for contraction of muscle cells and the motility of other cells.
  肌动蛋白负责肌肉细胞的收缩和其它细胞的运动的两种蛋白质中的一种。
• Air Element: Running, Hunting, Using Strength, Contraction and Expansion.
  空气元素：跑步、狩猎、利用强度、收缩和扩张。
• During a recession, ideally, public demand rises to offset contraction in the private sector.
  在经济衰退中，理想情况是通过公共需求的增长，来弥补私人需求的萎缩。
• Experiments have proved that when the arteriole produce durative contraction, skeletal muscle cramps occur, numbness, etc.
  实验证明，当小动脉发生持续性收缩时，骨胳肌发生痉挛跳动，肢体麻木等现象。
• METHODS: Action potentials and force of contraction were studied with conventional techniques in guinea-pig papillary muscles.
  使用传统方法测量了豚鼠乳头肌的动作电位和收缩力。
• The view that phosphocreatine was the direct source of energy for muscular contraction lasted only a few years.
  认为磷酸肌酸作为肌肉收缩直接能源的观点，流行了不过数年。
• ( medicine) of or relating to abnormal neuromuscular activity characterized by rapidly alternating muscle contraction and relaxation.
  （医学）属于或关于不正常的迅速交互的收缩和松弛的神经肌肉活动。
• Objective To observe the relationship between duration time of isometric contraction and blood pressure.
  目的分析肌肉等长收缩持续时间与人体血压变化之间的关系。
• The molecule structures of cell membrane and muscle cell; The principle of muscle contraction.
  【熟悉】细胞膜和肌细胞的分子结构；肌肉收缩的原理。