impulse

/ˈɪm.pʌls/

名词

脉冲
an electrical/nerve impulse
电脉冲／神经冲动
冲动，突然的强烈欲望
I had this sudden impulse to shout out "Nonsense!" in the middle of her speech.
在她发言时我突然想大喊“一派胡言！”。
动机；动力；刺激
a creative/commercial impulse
创作冲动／商业动机