單詞
lever
英 ['li?v?]
美['l?v?]
基本信息
- n. 杠桿；控制桿
- vt. 用杠桿撬動；把…作為杠桿
- vi. 用杠桿撬
- n. (Lever)人名；(法)勒韋；(英)利弗；(德)萊韋爾
CET6TEM4CET4IELTSGRE考研低頻詞常用詞匯
詞態變化
復數:?levers;第三人稱單數:?levers;過去式:?levered;現在分詞:?levering;
中文詞源
lever 杠桿
來自拉丁語levare,升起，舉起，來自PIE*legwh,輕的，可舉起的，詞源同light,levitate.引申詞義杠桿。
英文詞源
- lever (n.)
- c. 1300, from Old French levier (Modern French leveur) "a lifter, a lever," agent noun from lever "to raise," from Latin levare "to raise," from levis "light" in weight, from PIE root *legwh- "light, having little weight; easy, agile, nimble" (cognates: Sanskrit laghuh "quick, small;" Greek elakhys "small," elaphros "light;" Old Church Slavonic liguku, Lithuanian lengvas "light;" Old Irish laigiu "smaller, worse;" Gothic leihts, Old English leoht "light" (adj.)). As a verb, 1856, from the noun.
雙語例句
- 1. An elevator mechanic can work the machinery directly by turning this lever.
- 電梯修理工可以轉動這根杠桿直接操作機器。
來自柯林斯例句
- 2. Press the lever until you hear the catch engage.
- 壓下擋桿，直到聽到擋掛好。
來自柯林斯例句
- 3. I put the coin in the machine and pulled the lever.
- 我把硬幣投入機器，拉動控制桿。
來自柯林斯例句
- 4. He pushed a lever that speeded up the car.
- 他掛擋加快了速度。
來自柯林斯例句
- 5. Push the tiny lever on the lock.
- 按一下鎖上的小柄。
來自柯林斯例句
lever相關單詞