口语，“加速”用英语怎么说？

accelerate

v. /əkˈsel.ə.reɪt/

When a vehicle or its driver accelerates, the speed of the vehicle increases.

(车辆或驾驶者)加速

I accelerated to overtake the bus.

我加速超过了公共汽车。

to happen or make something happen sooner or faster

(使)加快，(使)增速;促进;提前，(促使)早日发生

They use special chemicals to accelerate the growth of crops.

他们使用特殊的化学品来刺激农作物生长。