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单词

impulse

释义

impulse

noun

UK /ˈɪmpʌls/

Word Forms

singular	impulse
plural	impulses

1
countable/uncountable a sudden strong feeling that you must do something
an impulse to do something:
Jenny felt a sudden impulse to play some music.
control/resist an impulse:
She struggled to resist the impulse to laugh.
on (an) impulse (=because you suddenly feel that you want to):
He saw them get into the car and on an impulse he followed them.
act on impulse:
Acting on impulse, he knocked on her door.
Synonyms and related words
Sudden instances of a particular emotion
fit
impulse
surge
1. 1a
  one of the strong basic feelings that make people do things
  the sexual/creative impulse
  Synonyms and related words
  General words for moods and emotions
  mood
  emotion
  feelings
2. 1b
  only before nounan impulse buy is something that you buy because you see it and want it
  Synonyms and related words
  Things for sale and things bought
  merch
  product
  goods
2
countable physicsan electrical signal, for example one that is passed from a nerve to a muscle
Synonyms and related words
Electricity and electrical power
AC
active
alternating current

impulse

noun

US /ˈɪmˌpʌls/

Word Forms

singular	impulse
plural	impulses

1
countable/uncountable a sudden strong feeling that you must do something
an impulse to do something:
Jenny felt a sudden impulse to play some music.
control/resist an impulse:
She struggled to resist the impulse to laugh.
on (an) impulse (=because you suddenly feel that you want to):
He saw them get into the car and on an impulse he followed them.
act on impulse:
Acting on impulse, he knocked on her door.
Synonyms and related words
Sudden instances of a particular emotion
fit
impulse
surge
1. 1a
  one of the strong basic feelings that make people do things
  the sexual/creative impulse
  Synonyms and related words
  General words for moods and emotions
  mood
  emotion
  feelings
2. 1b
  only before nounan impulse buy is something that you buy because you see it and want it
  Synonyms and related words
  Things for sale and things bought
  merch
  product
  goods
2
countable physicsan electrical signal, for example one that is passed from a nerve to a muscle
Synonyms and related words
Electricity and electrical power
AC
active
alternating current

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更新时间：2026/10/4 17:04:05