impulse音标

英 [ˈɪmpʌls]

美 [ˈɪmˌpʌls]

impulse基本释义

n.冲动；心血来潮；神经冲动；[物]冲量；[电]脉冲

vt.推动

impulse用法及例句

n.(名词)

冲动

刺激

推动力， 推进力

一时的念头，心血来潮， 感情冲动，冲动的念头

【电】脉冲

冲力

【生理】神经冲动

搏动

倾向

【物】冲量

【医】冲动

鼓舞

一时高兴，兴奋

v.(动词)

冲动

搏动

推进，推动

震动

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

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

1. 冲动;一时兴起的念头An impulse is a sudden desire to do something.

e.g. Unable to resist the impulse, he glanced at the sea again...他抑制不住冲动,又向海面瞥了一眼。e.g. He still couldn't understand the impulse that had made him confide in Cassandra...他仍然难以理解是什么样的冲动使他向卡桑德拉吐露了秘密。

2. 脉冲An impulse is a short electrical signal that is sent along a wire or nerve or through the air, usually as one of a series.

3. 一时兴起的;随兴的An impulse buy or impulse purchase is something that you decide to buy when you see it, although you had not planned to buy it.

e.g. The curtains were an impulse buy.窗帘是一时兴起买下的。

4. 凭冲动;一时兴起If you do something on impulse, you suddenly decide to do it, without planning it.

e.g. Sean's a fast thinker, and he acts on impulse...肖恩是个思维敏捷、行事随兴的人。e.g. After lunch she decided on impulse to take a bath.午饭后她突然兴起,决定洗个澡。

1. 脉冲：(e) 脉冲(impulse). (f) 电压骤降(dip) ...... 度研究发展专题. 英国国家辐射保护*(NRPB)公布之家电磁场资料....定分三年采购脉冲雷射镀膜(PLD)磊晶设备,第一年预定建立高. 功率深紫外光雷射系统及电浆辐射监控系统,

2.

2. 冲量：[摘要]目的探讨健康大学生自然行走过程中峰力值(Max Force)、达峰力值时间(Time to Max Force)、冲量(Impulse)、负荷率(Load rate)等参数特征,为临床诊断、疗效评估、矫形处方和体育锻炼等提供依据.

3.刺激：未计划性购买又称刺激性购买(impulse purchase),即产品种类与品牌均在商店中决定,亦受到刺激(impulse)与感性(hedonic)的情境下购买,属非理性的问题解决方式.

常用例句

词汇搭配

用作名词(n.)

一时冲动 suddenly and without previous thinking or planning

用作名词(n.)

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。

She had a sudden impulse to go on holidays.她突然心血来潮想去度假。

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。

The plan will give an impulse to industrial expansion.这个计划将促进工业的扩展。

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

Haldane has one overpowering impulse: he likes to be..behind the scenes at the seat of power.

出自：B. Webb

词语用法

词源解说

n.(名词)

impulse用作名词,意思是“冲动,突然的想法”,后面常接动词不定式作其定语,但不可接动名词。

impulse作“一时的想法,突然的想法”解时,是可数名词,可接动词不定式作表语。

☆ 15世纪初期进入英语，直接源自拉丁语的impulsus，意为推动，冲动。

近义词

临近词

flash闪光

pulsation脉博

provocation激怒

drive开车

notion观念

push推

pressure压强

beat打

neural impulse神经冲动

impetus推动力

signal信号

inspiration灵感

fancy华丽装饰的

whim一时的兴致

stimulus刺激

nerve impulse神经冲动

compulsion强迫

impulsion冲动

pulsing脉冲发生

nerve神经

occasion场合

thought思想

momentum势头

instinct直觉

thrust刺

sudden突然的

stimulant兴奋剂

caprice反复无常

motive power动力

propulsion推进

desire渴望

nervous impulse神经冲动

tick滴答作响

urge驱策

pulse脉搏

impulses

impugn

impulse gate

impulse buy

Impulse bit

impulse pin

impulse form

impulse PPV

impulse UWB

impulser

impulsive

impulse cam

相关列句

The door was open and on (an) impulse she went inside.(门开着，她一时心血来潮就走了进去。)

Just out of impulse, he shot the duck in the head and killed it.(他一时冲动，朝鸭子的头开了一*，把它打死了。)

The boy's first impulse was to be grateful, and reform.(这孩子的第一个冲动就是感恩，然后改过自新。)

Cutting often begins on an impulse.(切割往往始于一种冲动。)

I don't know how to resist my impulse.(我不知道怎样抑制自己的感情冲动。)

He was egocentric, a man of impulse who expected those around him to serve him.(他自我中心，易冲动，希望周围的人为他服务。)

Avoid impulse shopping! It's the worst!(避免冲动购物这是*糟糕的！)

He tends to act on impulse.(他往往凭一时冲动行事。)

Which impulse will you act upon?(那个冲动会让你行动吗？)

He had a sudden impulse to stand up and sing.(他突然心血来潮，想站起来歌唱。)