impulse
🇺🇸
/ˈɪmpʌls/
🇬🇧
/ˈɪmpʌls/
A sudden strong urge to do something without thinking.
She felt an impulse to buy the candy.
她突然有一股想买糖果的冲动。
A force or signal that makes something react.
The electrical impulse travels through the wire.
电脉冲通过电线传输。
Something that pushes someone to act or improve.
His impulse for change led to new ideas.
他追求改变的冲动带来了新想法。