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单词 impulse
释义
impulse
noun
uk
/ˈɪm.pʌls/us
/ˈɪm.pʌls/

impulsenoun(WISH)

C2[C+ to infinitive]
asuddenstrongwishto do something:
冲动，突然的强烈欲望
I had thissuddenimpulsetoshoutout "Nonsense!" in themiddleof herspeech.在她发言时我突然想大喊“一派胡言！”。
on (an) impulse
C2
because yousuddenlywantto,althoughyou haven'tplannedto:
一时兴起，心血来潮
"I didn'tknowyou werelookingfor some newshoes." "Oh, I wasn't - I justboughtthem on impulse."“我不知道你想要买双新鞋。”“噢，不是的——我只是一时冲动才买的。”
SMART Vocabulary: related words and phrases
Feelings of desire
  • appetite
  • caprice
  • carnality
  • compulsion
  • covetousness
  • dream
  • drive
  • entitled
  • hankering
  • hunger
  • impulse buy
  • impulse buying
  • thirst
  • urge
  • vaulting
  • whim
  • whimsy
  • wish
  • yearning
  • yen
See more results »

You can also find related words, phrases, and synonyms in the topics:

Wanting things

impulsenoun(SIGNAL)

[C]
ashortelectrical,radio, orlightsignalthatcarriesinformationorinstructionsbetween thepartsof asystem:
脉冲
anelectrical/nerveimpulse电脉冲／神经冲动
SMART Vocabulary: related words and phrases
Electricity & electronics
  • anti-static
  • bitstream
  • brownout
  • capacitance
  • chargeable
  • charged
  • conduct
  • electromagnetism
  • generate
  • hydropower
  • negatively
  • non-electric
  • non-electrical
  • non-electronic
  • non-polar
  • photoelectric
  • piezoelectric
  • pylon
  • resistance
  • shock
See more results »

You can also find related words, phrases, and synonyms in the topics:

Communications - general words

impulsenoun(REASON)

[Cusually singular]formal
something that is thedrivingforcebehind orreasonfor somethingelse:
动机；动力；刺激
acreative/commercialimpulse创作冲动／商业动机
SMART Vocabulary: related words and phrases
Motives and reasons
  • cause
  • causeless
  • drive
  • first principles
  • from a place ofidiom
  • ground
  • hidden agenda
  • in the name ofsomethingidiom
  • inclination
  • mainspring
  • motivation
  • motive
  • name
  • object
  • peg
  • place
  • rationale
  • should
  • why
See more results »
(Definition ofimpulsefrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

impulse| American Dictionary

impulse
noun

impulsenoun(DESIRE)

[C/U]us
/ˈɪm·pʌls/
asudden,strongdesireto do something:
[+ to infinitive]I had this impulse todyemyhairred.
[C/U]us
/ˈɪm·pʌls/
If you do something on impulse, you do it because yousuddenlywantto:
[U]Iboughtthisexpensivesweateron impulse.

impulsenoun(SIGNAL)

[C]us
/ˈɪm·pʌls/
ashortelectricalsignalthatcarriesinformationorinstructionsbetween thepartsof asystem:
nerveimpulses

impulsenoun(FORCE)

[U]physicsus/ˈɪm·pʌls/
theforcethat isworkingon anobjectmultipliedby theamountoftimeit isworking
(Definition ofimpulsefrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofimpulse

impulse
The problem will simply be to explain why they should have these impulses in the first place.
From theCambridge English Corpus
The act of collecting unauthorised recordings thus stems from two significant impulses.
From theCambridge English Corpus
The initial read-through, therefore, was a useful first opportunity to allow the company's own impulses to come to the surface.
From theCambridge English Corpus
We now recognize that both automatic or unconscious impulses and conscious strategies work to control behavior.
From theCambridge English Corpus
However, such developmental impulses are profoundly compromised by the diverse and often contradictory manner by which the projects are being implemented on the ground.
From theCambridge English Corpus
In turn, whenever faith becomes stronger in one's heart, the impulses of practice are reinforced.
From theCambridge English Corpus
The presumed mechanism is decreased afferent impulses to the brain, which reduces arousal and, thereby, reduces sedative requirements.
From theCambridge English Corpus
Radical impulses did not die between 1790 and 1830, but they were expressed in different ways.
From theCambridge English Corpus
The error bars represent the charge from impulses that experienced branch point collision.
From theCambridge English Corpus
The positional information contained in the response would be expected to be dependent on both peak rate and the number of impulses present.
From theCambridge English Corpus
The stimulus sequence consisted of 30,000 motion impulses, presented with a time delay of 10 ms. b!
From theCambridge English Corpus
A coincidence detector at the next level could respond only to roughly coincident impulses, while other neurons relayed the separate firing of each cell.
From theCambridge English Corpus
However, the suppression of evoked activity is much greater (approximately 100 impulses 0s) than the suppression of the spontaneous activity.
From theCambridge English Corpus
The number of impulses per presentation was tracked to permit calculation of response variability.
From theCambridge English Corpus
Visitors must not be susceptible to momentary impulses to help; their intervention must be calculated.
From theCambridge English Corpus
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

Collocationswithimpulse

impulse

These are words often used in combination withimpulse.

Click on a collocation to see more examples of it.

creative impulse
This philosophy of work does not stop with thecreativeimpulsebehind the company, but permeates into their everyday interactions.
From theCambridge English Corpus
electrical impulse
The myelination enables an especially rapid mode ofelectricalimpulsepropagation called saltatory conduction.
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
generous impulse
Is it not a piece of bureaucratic nonsense to frustrate thegenerousimpulseof teachers and students in this way?
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/impulse##
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更新时间：2024/12/28 14:21:10