男女精品视频_黄网站免费在线_一区二区三区精品_51ⅴ精品国产91久久久久久_国产91在线免费观看_日韩中文字幕一区二区

friction

英 ['fr?k?(?)n] 美['fr?k??n]
  • n. 摩擦,[力] 摩擦力

低頻詞CET6TEM4CET4IELTSGRE考研TOEFL常用詞匯

詞態(tài)變化


復(fù)數(shù):?frictions;

中文詞源


friction 摩擦

來自PIE*bher, 磨擦,轉(zhuǎn),詞源同bore. -ct, 過去分詞后綴。

英文詞源


friction (n.)
1560s, "a chafing, rubbing," from Middle French friction (16c.) and directly from Latin frictionem (nominative frictio) "a rubbing, rubbing down," noun of action from past participle stem of fricare "to rub, rub down," which is of uncertain origin. Watkins suggests possibly from PIE root *bhreie- "to rub, break." Sense of "resistance to motion" is from 1722; figurative sense of "disagreement, clash, lack of harmony, mutual irritation" first recorded 1761. Related: Frictional.

雙語例句


1. The friction of the sheets against his skin was torture.
被單摩擦著他的皮膚,簡直像是酷刑。

來自柯林斯例句

2. The pistons are graphite-coated to reduce friction.
活塞上涂了一層石墨以減小摩擦力。

來自柯林斯例句

3. the coefficient of friction
摩擦系數(shù)

來自《權(quán)威詞典》

4. Friction between moving parts had caused the engine to overheat.
活動(dòng)部件的摩擦使發(fā)動(dòng)機(jī)過熱。

來自《權(quán)威詞典》

5. When Joan returned to work, the friction between them increased.
瓊回來工作后, 他們之間的摩擦加劇了.

來自《簡明英漢詞典》

主站蜘蛛池模板: 亚洲一区黄色 | 日本一本视频 | 涩色视频在线观看 | 91亚洲国产成人久久精品网站 | 天堂资源最新在线 | 91资源在线播放 | 欧美片网站免费 | 成人av免费播放 | 免费一级做a爰片久久毛片潮喷 | 欧美一区二区三区在线观看 | 日韩一区二区在线视频 | 久久久久久亚洲精品不卡 | 国产一区 | 91大片 | 国产日韩一区二区 | 亚洲一区在线播放 | 亚洲人成在线播放 | 欧美日韩在线免费 | 日韩一及片| 免费日韩av| 日韩三级免费观看 | 91在线一区二区三区 | 日日日色 | 91视视频在线观看入口直接观看 | 国产成人区| 91精品国产综合久久久久久 | 日韩资源 | 男人的天堂亚洲 | 色香蕉在线 | 日韩在线免费播放 | 免费人成激情视频在线观看冫 | 日干夜操 | 久久五月婷 | 黄色网址大全在线观看 | 白浆在线 | 亚洲一区二区三区乱码aⅴ 四虎在线视频 | 99国产精品视频免费观看一公开 | 羞羞的视频在线 | 亚洲不卡 | 91国内在线观看 | 91精品国产综合久久久久 |