N头条>英语词典>contraction翻译和用法

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.
      1. 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。
      2. See also:contract

      英英释义

      noun

      • the act of decreasing (something) in size or volume or quantity or scope
        1. (physiology) a shortening or tensing of a part or organ (especially of a muscle or muscle fiber)
            Synonym:muscular contractionmuscle contraction
          1. 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'
          2. the process or result of becoming smaller or pressed together
            1. the contraction of a gas on cooling
            Synonym:compressioncondensation

          双语例句

          • And the optimal combination of process parameters of minimum contraction is obtained.
            并获取了使得收缩最小的最优工艺参数组合。
          • The alternate contraction and relaxation of muscles.
            肌肉的交替收缩和松弛。
          • The forces of expansion are balanced by forces of contraction.
            扩张力和收缩力相互平衡。
          • 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。
          • These rhythmic waves of muscular relaxation and contraction are called peristalsis.
            这种肌肉舒张和收缩的有节律波动称为蠕动。
          • Steel and concrete have almost the same rate of contraction and expansion.
            钢和混凝土有几乎相同的收缩率和膨胀率。
          • A second protein, myosin, is involve in the contraction of muscle cells.
            第二类蛋白是肌球蛋白,它与肌肉细胞的收缩有关。
          • Aim to investigate the effect of senna extract on contraction of colonic smooth muscle cells of guinea pig.
            目的研究番泻叶提取物对游离的豚鼠结肠平滑肌细胞收缩的影响。
          • HJA-6 with moderate activity and contraction.
            HJA-6具有适中的活性和收缩性。
          • 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。