impetus

名詞

1. 1

   動力、推動力、刺激

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

   新的減稅措施為房市帶來新的動力。

2. 2

   衝力、衝勁正式

   The car rolled down the slope with its own impetus.

   那輛車靠著自身的衝力滑下坡道。