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BNC: 5426 COCA: 17305

a revolution (= one complete turn of a part in an engine)(发动机的)一转

Keep the revs up (= the engine parts turning quickly) or the engine will stall.保持发动机高速运转,不然车就会熄火。
a rev counter转数计数器
See also

to increase the operating speed of an engine while the vehicle is not moving, usually to warm it to the correct temperature(使)快速运转

The noise of the car engine revving up woke the whole neighbourhood.汽车发动机高速转动的声音把整个社区的人都吵醒了。

Phrasal verb(s)

Rev.noun [ before noun ]UK also Revd

written abbreviation forReverend (对基督教教士的尊称)大人(Reverend的缩写)

BNC: 5426 COCA: 17305
rev

noun

 see also revolution ADJECTIVE | REV + NOUN | PHRASES ADJECTIVEhigh, low (both especially BrE) 高轉速;低轉速The engine is almost silent at low revs.發動機在低轉速時幾乎沒有聲音。engine發動機的轉速REV + NOUNcounter (BrE) 轉速表PHRASESrevs a minute, revs per minute每分鐘轉速
BNC: 5426 COCA: 17305

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