rev /rɛv/ ( revving, revved, revs )

• 1. 

  V-T/V-I When the engine of a vehicle revs, or when you rev it, the engine speed is increased as the accelerator is pressed. (使)加速

  例：

  The engine started, revved, and the car jerked away down the hill.

  发动机启动了，车加大油门冲下了山坡。

  例：

  The old bus was revving its engine, ready to start the journey back towards Mexico City.

  这辆旧巴士轰着油门，准备启程返回墨西哥城。

• 2. 

  PHRASAL VERB Rev up means the same as . 同rev

  例：

  ...drivers revving up their engines.

  ...司机们加大了油门。

  例：

  ...the sound of a car revving up.

  ...汽车加速的声音。

• 3. 

  N-PLURAL If you talk about the revs of an engine, you are referring to its speed, which is measured in revolutions per minute. (发动机的)转速

  例：

  The engine delivers instant acceleration whatever the revs.

  不论转速如何，发动机都可以立即加速。