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单词 impulse
释义 impulse

impulse /ˈɪm.pʌls/

noun (WISH)
1
C2 [C + to infinitive] a sudden strong wish to do something:
» I had this sudden impulse to shout out "Rubbish!" in the middle of her speech.Thesaurus+: ↑Feelings of desire
on (an) impulse
2
C2 because you suddenly want to, although you haven't planned to:
» "I didn't know you were looking for some new shoes." "Oh, I wasn't - I just bought them on impulse."Thesaurus+: ↑Wanting things , ↑Hoping and hopefulness
noun [C usually singular] FORMAL (REASON)
F0 something that is the force behind or reason for something else: » a creative/commercial impulseThesaurus+: ↑Motives and reasons
noun [C] (SIGNAL)
F0 a short electrical, radio, or light signal that carries information or instructions between the parts of a system: » an electrical/nerve impulseThesaurus+: ↑Electricity and electronicsThesaurus+: ↑Communications technology - general words
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更新时间:2025/3/16 6:35:01