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。
相关单词
广而告之
1一秒钟记单词小学英语单词记背神器英语一二三四五六年级人教版英语词汇汇总表单词记背神器 单词记忆书单词词汇速记强化训练
【推荐理由】赠运费险，热门商品
【现价】27.9
【下单链接】38￥ CZ3457 5OArdvEMFvn￥