impulse

字典網

英文解釋：

名詞 impulse:

1. an instinctive motive
   同義詞：urge
2. a sudden desire
   同義詞：caprice, whim
3. the electrical discharge that travels along a nerve fiber
   同義詞：nerve impulse
4. (electronics) a sharp transient wave in the normal electrical state (or a series of such transients)
   同義詞：pulsation, pulsing, pulse
5. the act of applying force suddenly
   同義詞：impulsion, impetus
6. an impelling force or strength
   同義詞：momentum

中英例句：

1. We were seized by a sudden impulse to run.
   我們身不由己突然想跑。
2. An emotion, desire, physiological need, or similar impulse that acts as an incitement to action.
   動機一種能作為誘導物而激發行為的情緒、願望、心理需要或者類似的心理推動力
3. On impulse, I picked up the phone and rang my sister in Australia.
   我一時心血來潮，拿起話筒就給在澳大利亞的妹妹打了個電話。
4. He bought the house on an impulse.
   他憑一時衝動買下了這所房子。