impulse-主題

impulse

['impʌls]

n.衝動, 心血來潮, 神經衝動, [物]衝量,[電]脈衝
vt.推動

例句與用法：

We were seized by a sudden impulse to run.

我們身不由己突然想跑。

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

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。

He bought the house on an impulse.

他憑一時衝動買下了這所房子。

英文解釋:

名詞 impulse:

an instinctive motive

同義詞：urge

a sudden desire

同義詞：caprice, whim

the electrical discharge that travels along a nerve fiber

同義詞：nerve impulse

(electronics) a sharp transient wave in the normal electrical state (or a series of such transients)

同義詞：pulsation, pulsing, pulse

the act of applying force suddenly

同義詞：impulsion, impetus

an impelling force or strength

同義詞：momentum

以上來源於大辭典