Impulse
01
冲动, 本能动机
an instinctive motive
02
冲动, 突然的欲望
a sudden strong urge or desire to do something, often without thinking or planning beforehand
例子
On an impulse, she bought the dress without checking the price.
一时冲动，她没看价格就买了那条裙子。
He acted on impulse and called her, even though he was n’t sure why.
他一时冲动给她打了电话，尽管他也不确定为什么。
03
冲动, 电放电
the electrical discharge that travels along a nerve fiber
04
冲动, 推动力
the act of applying force suddenly
05
脉冲, 瞬态波
(electronics) a sharp transient wave in the normal electrical state (or a series of such transients)
06
冲动, 动力
an impelling force or strength
