impulsion
US /ɪmˈpʌlʃən/
・UK /ɪmˈpʌlʃn/
A1 初級
n.名詞衝動
He acted on a sudden impulsion and bought the car.
n.名詞推動力
The impulsion behind his success was his relentless ambition.
n.名詞脈衝
The impulsion of the rocket was enough to reach orbit.
n.名詞內驅力
His impulsions often led him into trouble.
