中文翻译与英英解释

n.
1.冲动；【物理学】冲量；推进力；脉冲，【医学】冲动，搏动。
2.鼓舞，刺激；一时高兴，兴奋。
短语和例子
a man of impulse感情用事的人。 act from impulse凭一时冲动行事。 be seized with a sudden impulse to do sth. 一时情不自禁地做某事。 feel an irresistible impulse觉得情不自禁。 give an impulse to 刺激，促进。 on the impulse of the moment 由一时高兴。
vt.
推动。

the act of applying force suddenly; "the impulse knocked him over"
同义词：impulsion, impetus,

an impelling force or strength; "the car''s momentum carried it off the road"
同义词：momentum,

the electrical discharge that travels along a nerve fiber; "they demonstrated the transmission of impulses from the cortex to the hypothalamus"
同义词：nerve impulse, nervous impulse, neural impulse,

(electronics) a sharp transient wave in the normal electrical state (or a series of such transients); "the pulsations seemed to be coming from a star"
同义词：pulsation, pulsing, pulse,

a sudden desire; "he bought it on an impulse"
同义词：caprice, whim,

an instinctive motive; "profound religious impulses"
同义词：urge,

例句与用法

It was a day for impulse and truancy .
这是个适于冲动或偷懒的日子。

We were seized by a sudden impulse to run .
我们身不由己突然想跑。

The machine also sends a "start" impulse .
机器还发出“起动”脉冲信号。

The derivative of the step is the impulse .
阶梯的导数就是脉冲。

The impulse of falling water turns the waterwheel .
落水的冲力使水轮转动。

I experienced a wild impulse to jest .
在一阵狂妄的冲动之下，我想捉弄别人。

Nim controlled an impulse to snap back angrily .
尼姆压住了怒火，没有顶撞。

An electrical impulse is sent to the exterior cells .
电脉冲被送到表层细胞。

Beaverbrook was a potent impulse .
比费布鲁克是一位具有强大的推动力量的人物。

He resisted the impulse to look behind him .
这回他极力忍住了，没有回过头去看。