vt.

1. 使增速
   The driver stepped on the gas and accelerated the car.

   司机加大油门，让汽车加速行驶。

2. 促进；促使……早日发生
   The bad weather accelerated our departure.

   糟糕的天气促使我们早日离开。

3. 【物】使加速

vi.

1. 加快；增长；增加
   The car suddenly accelerated.

   汽车突然加快了速度。

v.