impulse

冲动、一时的念头

She fought the impulse to check her phone again.

她努力克制再看一次手机的冲动。

推动力、刺激、动力

The new subsidy gave a fresh impulse to local tourism.

新的补助为当地观光业带来新的推动力。

脉冲、冲动生理、电学

Nerve impulses travel from the skin to the brain.

神经脉冲从皮肤传送到大脑。

冲量物理

The impulse of the collision was measured in the lab.

这次碰撞的冲量在实验室中被测量出来。

一时冲动的、临时起意的限定名词前

That jacket was an impulse buy I now regret.

那件外套是一时冲动买的，我现在很后悔。

一时冲动、临时起意on impulse

He quit his job on impulse and moved abroad.

他一时冲动辞掉工作，搬到国外去了。