contraction

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

在尺寸、体积、数量或范围上减少（某物）的行为

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

（生理学）部分或器官（特别是肌肉或肌肉纤维）的缩短或拉紧

muscular contraction

muscle contraction

a word formed from two or more words by omitting or combining some sounds

由两个或多个单词通过省略或组合某些声音而形成的单词

`won’t’ is a contraction of `will not’

`“不会”是“不会”的缩写

`o’clock’ is a contraction of `of the clock’

`“点钟”是“时钟”的缩写

the process or result of becoming smaller or pressed together

变小或压在一起的过程或结果

the contraction of a gas on cooling

气体冷却时的收缩

compression

condensation