impulse中文什么意思

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
+更多解释...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。

• on (the) impulse (of …):    凭（…的）冲动
• impulse buying; impulse shopping:    冲动性购买
• a man of impulse:    易冲动的人

例句与用法

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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。

英文释义

名词

1. the act of applying force suddenly; "the impulse knocked him over"
   同义词：impulsion, impetus
2. an impelling force or strength; "the car''s momentum carried it off the road"
   同义词：momentum
3. 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
4. (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
5. a sudden desire; "he bought it on an impulse"
   同义词：caprice, whim
6. an instinctive motive; "profound religious impulses"
   同义词：urge