音标与读法

这里为大家介绍下impulse 是什么意思，希望能帮助到各位朋友。

音标：[ "impʌls ]名词复数:impulses

中英文翻译

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

1.It was a day for impulse and truancy .

这是个适于冲动或偷懒的日子。

2.We were seized by a sudden impulse to run .

我们身不由己突然想跑。

3.The machine also sends a "start" impulse .

机器还发出“起动”脉冲信号。

4.The derivative of the step is the impulse .

阶梯的导数就是脉冲。

5.The impulse of falling water turns the waterwheel .

落水的冲力使水轮转动。

6.I experienced a wild impulse to jest .

在一阵狂妄的冲动之下，我想捉弄别人。

7.Nim controlled an impulse to snap back angrily .

尼姆压住了怒火，没有顶撞。

8.An electrical impulse is sent to the exterior cells .

电脉冲被送到表层细胞。

9.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。

10.He resisted the impulse to look behind him .

这回他极力忍住了，没有回过头去看。

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