contraction

英 [kən'trækʃ(ə)n] 美 [kən'trækʃən]

解释

※ 提供单词"contraction"的中文意思、发音示范及音标对照，中英文词源、例句和用法等。

contraction 收缩

来自contract, 收缩。

contraction (n.): late 14c., "action of making a contract" (especially of marriage), also "action of shrinking or shortening," from Old French contraction (13c.), or directly from Latin contractionem (nominative contractio), noun of action from past participle stem of contrahere (see contract (n.)). Meaning "action of acquiring (a disease) is from c. 1600. Grammatical sense is from 1706; meaning "a contracted word or words" is from 1755. Contractions of the uterus in labor of childbirth attested from 1962.

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1. The contraction of muscles uses energy and releases heat.: 肌肉的收缩消耗能量并且释放热量。

4. The forces of expansion are balanced by forces of contraction.: 扩张力和收缩力相互平衡.

5. "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。