impetus

名词

1. 1

   动力、推动力、刺激

   The new tax cuts gave fresh impetus to the housing market.

   新的减税措施为房市带来新的动力。

2. 2

   冲力、冲劲正式

   The car rolled down the slope with its own impetus.

   那辆车靠著自身的冲力滑下坡道。