rev

4 ENTRIES FOUND:

¹ rev /ˈrɛv/ verb

revs; revved; revving

¹ rev

/ˈrɛv/

verb

revs; revved; revving

Learner's definition of REV

[+ object]

: to cause (an engine) to run more quickly : to increase the revolutions per minute of (a motor in a vehicle)加快（发动机的）转速；加快车速

She sat in the car and revved the engine [=she pressed the car's accelerator when the engine was on but the car was not in gear] while she waited for us.她坐在车里并在等待我们的同时调高了发动机转速。

— often + up

He revved up the motorcycle by making adjustments to its engine.他通过调整发动机，加快了这辆摩托车的车速。

rev up

[phrasal verb] informal

: to become more active变得更加活跃

rev (someone or something) up or rev up (someone or something) : to make (someone or something) more active or effective使活跃；使有效

Big business spending is revving up the economy.巨额的企业开销正推动着经济发展。
The company is getting revved up for the launch of its new product line.公司为这条新生产线的启用正在加紧工作。

— see also revved up

² rev /ˈrɛv/ noun

plural revs

² rev

/ˈrɛv/

noun

plural revs

Learner's definition of REV

[count] informal

: a complete turn of an engine part : revolution（发动机部件的）旋转，一转 — usually plural通常用复数