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

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。

(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

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

'can't' is a contraction of 'cannot'.
can't是cannot的缩略形式。
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。
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。
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。
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。
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 contraction of muscles uses energy and releases heat
肌肉的收缩消耗能量并且释放热量。
Eventually the star's contraction slows down.
最后，恒星的收缩终于慢了下来。
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。
HJA-6 with moderate activity and contraction.
HJA-6具有适中的活性和收缩性。