impulse

impulse读音音标

英 [ˈɪmpʌls]

美 [ˈɪmˌpʌls]

impulse意思解释

n.

凭冲动行事；

突如其来的念头；

[电子]脉冲；

[医]冲动，搏动

adj.

冲动的；

v.

推动；

变形

复数：impulses

双语释义

n.(名词)

[C]凭冲动行事,突如其来的念头 sudden urge to act without thinking about the results[C]推动; 冲力; 刺激; 推动力 push or thrust; impetus

英英释义

impulse

[ \'impʌls ]

n.

an instinctive motive

\"profound religious impulses\"

同义词：urge

a sudden desire

\"he bought it on an impulse\"

同义词：capricewhim

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

(electronics) a sharp transient wave in the normal electrical state (or a series of such transients)

同义词：pulsationpulsingpulse

the act of applying force suddenly

\"the impulse knocked him over\"

同义词：impulsionimpetus

an impelling force or strength

同义词：momentum

词汇搭配

用作名词 (n.)动词+～feel an impulse情不自禁想follow an impulse凭一时冲动give an impulse促进receive an impulse受到刺激形容词+～blind impulse盲目的冲动fresh impulse新的刺激slight impulse轻微的刺激strong impulse强烈的冲动介词+～by impulse凭情绪on impulse凭一时冲动under impulse在…驱使下

词组短语

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

impulse control

脉冲控制；冲动控制

specific impulse

比冲量；比推力

nerve impulse

[医]神经冲动

impulse test

[电]冲击试验

impulse force

冲击力

impulse turbine

冲力式涡轮机；冲击式汽轮机；水戽式（冲击式）水轮机

impulse function

脉冲函数；冲力函数；冲击函数

impulse buying

即兴购买；未经考虑仅凭一时冲动的购物行为

双语例句

用作名词(n.)He bought the house on an impulse.他凭一时冲动买下了这所房子。We were seized by a sudden impulse to run.我们身不由己突然想跑。On impulse, I picked up the phone and rang my sister in Australia.我一时心血来潮，拿起话筒就给在澳大利亚的妹妹打了个电话。He had a sudden impulse to stand up and sing.他突然心血来潮，想站起来歌唱。He grasped her hand on an impulse.他情不自禁地握紧她的手。I had an impulse to go shopping.我当时有种购物的冲动。