contraction是什么意思 contraction的用法 contraction怎么读

contraction

英 [kən'trækʃ(ə)n]美 [kən'trækʃən]

n. 收缩，紧缩；缩写式；害病

使用频率:★

星级词汇:★★

padding-bottom: 134.31%;">

记忆方法

1、con- "together" + tract- + -ion.

中文词源

contraction 收缩

来自contract, 收缩。

英语词源

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.

权威例句

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。

2. the expansion and contraction of the metal

金属的膨胀与收缩

3. Contraction of the timbers left gaps in the fence.

木料收缩,结果围墙露出缝来.

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。

[ contraction 造句 ]