contraction

noun

1. 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。
2. （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。
3. 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。

1. (分娩时的)子宫收缩，宫缩
   When a woman who is about to give birth has contractions, she experiences a very strong, painful tightening of the muscles of her womb.
2. N-COUNT (词的)缩约形式
   A contraction is 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。
3. See also: contract

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itis的缩约形式。
2. The contraction of muscles uses energy and releases heat
   肌肉的收缩消耗能量并且释放热量。
3. 'can't' is a contraction of 'cannot'.
   can't是cannot的缩略形式。
4. The forces of expansion are balanced by forces of contraction.
   扩张力和收缩力相互平衡。
5. 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。
6. 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。
7. ( 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。
8. 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。
9. First, the CNS must produce a rhythm for the periodic cycle of contraction and relaxation of respiratory muscles.
   首先，中枢神经必须赋予呼吸肌的周期性收缩和放松一种节奏。
10. 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。
11. In a contraction, positive work is done on the system.
    在压缩过程中，对体系作正功。
12. 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。
13. 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。
14. The alternate contraction and relaxation of muscles.
    肌肉的交替收缩和松弛。
15. 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。
16. Eventually the star's contraction slows down.
    最后，恒星的收缩终于慢了下来。
17. 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。
18. The course of Christianity in the first millennium was one of both expansion and contraction.
    基督教第一个千年的历程是扩张和收缩的过程。
19. In the forces between expansion and contraction that surround us, new types of space can be formed.
    在我们身边无处不在的扩张和建设中，新的空间形式有可能就此形成。
20. 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。
21. A compound that is found in the muscle tissue of vertebrates; supplies energy for muscle contraction.
    脊椎动物肌肉组织中的一种化合物，提供肌肉收缩的能量。
22. Manipulating those prices through credit expansion or contraction has real and deleterious effects on the economy.
    通过信贷扩张或收缩来操纵这些价格，会对经济产生实实在在并且有害的影响。
23. 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。
24. HJA-6 with moderate activity and contraction.
    HJA-6具有适中的活性和收缩性。
25. 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。
26. I step up the breathing rate& timing the contraction and relaxation of chest muscles.
    我增加呼吸率&调节胸部肌肉的收缩和舒张的速率。
27. 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。
28. The contraction of this muscle causes the lower arm to be raised.
    这根肌肉的收缩使下臂抬起来。
29. 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。
30. 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。

noun

1. the act of decreasing (something) in size or volume or quantity or scope

2. (physiology) a shortening or tensing of a part or organ (especially of a muscle or muscle fiber)

   Synonym:    muscular contractionmuscle contraction

3. 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'

4. the process or result of becoming smaller or pressed together
   1. the contraction of a gas on cooling

   Synonym:    compressioncondensation