impulse
音標(biāo)發(fā)音
- 英式音標(biāo) [??m.p?ls]
- 美式音標(biāo) [??m?p?ls]
- 國(guó)際音標(biāo) ['imp?ls]
- 英式發(fā)音
- 美式發(fā)音
基本解釋
- n.沖動(dòng)；心血來潮；神經(jīng)沖動(dòng)；[物]沖量；[電]脈沖
- vt.推動(dòng)
詞源解說
- 15世紀(jì)初期進(jìn)入英語，直接源自拉丁語的impulsus，意爲(wèi)推動(dòng)，沖動(dòng)。
詞根記憶
- im(使…) + puls(推) + e→推動(dòng)，敺使
- im(使) + puls(敺動(dòng)) + e→推動(dòng)
- im(使…) + puls(推) + e→沖動(dòng)
- im(在內(nèi)) + puls(推) + e→在內(nèi)推→動(dòng)力
- im(使…) + puls(推) + e→推動(dòng)→沖動(dòng)
同根派生
- adj性質(zhì)的同根詞
- impulsive：沖動(dòng)的；受感情敺使的；任性的。
- adv性質(zhì)的同根詞
- impulsively：有推動(dòng)力地。
- n性質(zhì)的同根詞
- impulsiveness：沖動(dòng)。
- impulsion：沖動(dòng)；沖擊；原動(dòng)力。
用法辨析
- impulse用作名詞,意思是“沖動(dòng),突然的想法”,後麪常接動(dòng)詞不定式作其定語,但不可接動(dòng)名詞。
- impulse作“一時(shí)的想法,突然的想法”解時(shí),是可數(shù)名詞,可接動(dòng)詞不定式作表語。
n. (名詞)
英漢例句
- He felt an irresistible impulse to rush into the room.
他有一種難以抗拒的沖動(dòng)想沖進(jìn)房間。
用作名詞 (n.)
詞組短語
- feel an impulse 情不自禁想
- follow an impulse 憑一時(shí)沖動(dòng)
- give an impulse 促進(jìn)
- receive an impulse 受到刺激
- blind impulse 盲目的沖動(dòng)
- fresh impulse 新的刺激
用作名詞 (n.)
動(dòng)詞+～
形容詞+～
英英字典
- (WISH) a sudden strong wish to do something
- (SIGNAL) a short electrical, radio, or light signal that carries information or instructions between the parts of a system
- (REASON) something that is the driving force behind or reason for something else
- An impulse is a sudden desire to do something.
- An impulse is a short electrical signal that is sent along a wire or nerve or through the air, usually as one of a series.
- An impulse buy or impulse purchase is something that you decide to buy when you see it, although you had not planned to buy it.
- If you do something on impulse, you suddenly decide to do it, without planning it.
劍橋英英字典
柯林斯英英字典
專業(yè)釋義
- 沖量
- 脈沖
- 沖激
- 沖量
- 沖量
- 沖擊
- 脈沖
- 沖動(dòng)
- 沖動(dòng)
- 脈沖
- 沖動(dòng)
- 沖動(dòng);搏動(dòng);脈沖
- 脈沖
- 沖量
- 沖量