Dreye权威释义

n.

推动，促进；推动力；刺激[U][S1][（+to）][+to-v]
The president's plan gave fresh impetus to industry.
总统的计划进一步推动了工业的发展。
冲力[U]
The car ran down the hill under its own impetus.
汽车借着本身的冲力滑下山。

同义:

n.动力；冲力

同义参见:

以上来源于：《英汉大辞典》

n.

the force or energy with which a body moves.

▸a driving force.

C17: from L., ‘assault, force’.

以上来源于：《简明牛津英语词典》

以上来源于：《英汉医学词典》