国产成人自拍av_国产精品18久久久久久久_国产精品久久久久无码av_青青草原综合久久大伊人精品_蜜桃视频一区二区三区_国产黄色小视频

首页英语词典contractioncontraction的意思

contraction

英 [k?n'tr?k?(?)n] 美[k?n'tr?k??n]
  • n. 收缩,紧缩;缩写式;害病

TEM4TOEFL低频词扩展词汇

词态变化


复数:?contractions;

助记提示


1、con- "together" + tract- + -ion.

中文词源


contraction 收缩

来自contract, 收缩。

英文词源


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.

双语例句


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。

来自柯林斯例句

2. the expansion and contraction of the metal
金属的膨胀与收缩

来自《权威词典》

3. Contraction of the timbers left gaps in the fence.
木料收缩,结果围墙露出缝来.

来自《简明英汉词典》

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

来自《简明英汉词典》

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。

来自柯林斯例句

主站蜘蛛池模板: 国产欧美日韩一区二区在线 | 国产高清在线观看 | 一区二区三区国产在线观看 | 伊人久久艹| 亚洲免费在线播放 | 国产一区二区三区播放 | 免费精品视频一区二区三区 | 国产成人福利在线观看 | 午夜免费成人 | 日韩欧美精品一区二区三区 | 99亚洲天堂 | 国产成人精品亚洲日本在线桃色 | 亚洲最大福利视频 | 在线蜜桃视频 | 久久精品国产亚洲高清剧情介绍 | 国产一区二区三区视频免费 | 一区二区三区四区毛片 | 亚洲视频国产精品 | 99热精品免费 | 懂色影院 | 免费亚洲视频在线观看 | 91视频综合网 | 加勒比婷婷色综合久久 | 亚洲一区二区三区在线观看免费 | 中国一级毛片在线观看 | 97涩涩网 | 精品在线观看视频 | 91茄子视频在线观看 | 国产精品乱码久久久久久久 | 久久久久久久久久久一区 | 91av视频免费观看 | 久久久亚洲国产天美传媒修理工 | 亚洲一区二区三区自拍天堂下载 | 国产激情一区 | 国产精品九九九 | 色翁荡息又大又硬又粗又视频图片 | 国产一级在线视频 | 99精品久久久 | 一区二区三区久久 | 日本成做爰免费中文字幕 | 亚洲欧洲精品久久 |