impulse的意思

基本释义

• n 冲动；[电子] 脉冲；刺激；神经冲动；推动力

  a sudden strong desire to do something without thinking about whether it is a sensible thing to do

• vt 推动

例句

1. The eye converts light signals to nerve impulses.

   眼睛把光信号转变成神经冲动。

2. He felt an irresistible impulse to rush into the room.

   他有一种难以抗拒的冲动想冲进房间。

3. She had a sudden impulse to go on holidays.

   她突然心血来潮想去度假。

4. Her first impulse was to walk out and leave him.

   她的第一个想法就是走出去离开他。

5. The plan will give an impulse to industrial expansion.

   这个计划将促进工业的扩展。

短语

• impulse response 脉冲响应
• on impulse 一时冲动，一时心血来潮
• impulse noise 脉冲噪声，冲激噪声
• impulse voltage 冲击电压；冲荤压；脉冲电压
• impulse response function 响应函数；脉冲响应函数；反应函数

近义词

英英释义

noun 1. the act of applying force suddenly e.g. the impulse knocked him over Synonym: impulsionimpetus 2. an impelling force or strength e.g. the car's momentum carried it off the road Synonym: momentum 3. the electrical discharge that travels along a nerve fiber e.g. they demonstrated the transmission of impulses from the cortex to the hypothalamus Synonym: nerve impulsenervous impulseneural impulse 4. (electronics) a sharp transient wave in the normal electrical state (or a series of such transients) e.g. the pulsations seemed to be coming from a star Synonym: pulsationpulsingpulse 5. a sudden desire e.g. he bought it on an impulse Synonym: capricewhim 6. an instinctive motive e.g. profound religious impulses Synonym: urge

词汇搭配

同根词