impulse

['impʌls]

n.冲动, 心血来潮, 神经冲动, [物]冲量,[电]脉冲
vt.推动

n.

1. 冲动, 一时的念头[C][U]

My uncle bought the house on an impulse.

我叔叔一时冲动买下了那房子。

I used to act out of blind impulse when I was young.

我年轻时常凭盲目的冲动行事。

2. 推动力; 刺激[C]

The signing of the agreements will give an impulse to trade between the two countries.

这些协议的签订会促进两国间的贸易。

3. 【生理】神经冲动; 【电】脉冲[C]

词形变化

形容词: impuissant |

词义辨析

同义:

n.强制; 冲动

thrust  push  urge  pressure  compulsion  stimulus

n.一时的念头

notion  fancy  whim  flash  inspiration  sudden thought  

同义参见:

stimulant  provocation  occasion  

英英释义

名词 impulse:

an instinctive motive

同义词：urge

a sudden desire

同义词：caprice, whim

the electrical discharge that travels along a nerve fiber

同义词：nerve impulse

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

同义词：pulsation, pulsing, pulse

the act of applying force suddenly

同义词：impulsion, impetus

an impelling force or strength

同义词：momentum

补充

impulseimpulse英:[ˈimpʌls] 美:[ˈɪmˌpʌls]n.1.凭冲动行事, 突如其来的念头He felt an irresistible impulse to rush into the room.他有一种难以抗拒的冲动想冲进房间。2.推动, 冲力, 刺激, 推动力The plan will give an impulse to industrial expansion.这个计划将促进工业的扩展。

例句

1. the missionary impulse of Anglicanism基督教圣公会教义的传教推动力 2. the true impulse of science fiction科学幻想小说的真实驱动力 3. My impulse is to sell up and go away.我一时冲动, 想变卖财产, 然后走人。 4. I had a sudden impulse to walk out.我突然心血来潮, 想走出去。 5. She decided on impulse to go to the museum.她一时兴起, 决定去博物馆参观。 6. More than half of all confectionery is bought on impulse.半数以上的糖果是一时兴起买下的。 7. I've always avoided acting on impulse.我一直避免意气用事。 8. Sean's a fast thinker, and he acts on impulse.肖恩是一个思维敏捷、行事随兴的人。 9. All day she had fought off the impulse to telephone Harry.她一整天都在竭力打消给哈里打电话的念头。 10. Her music echoed the impulses of a generation in the 1920s.她的音乐反映了20 世纪20年代人的潮流。 11. the maritime impulses of an Island race一个以岛为家的民族的航海秉性 12. I had an almost irresistible impulse to giggle.我有一种几乎难以抗拒的冲动，想要哈哈大笑。 13. [as modifier]impulse buying.冲动购物。 14. he was a man of impulse, not premeditation.他是个易冲动的人，不经事先考虑。 15. an added impulse to this process of renewal.附加在更新过程里的推动力。 16. nerve impulses.神经脉冲。 17. a spiral is used to convert radio waves into electrical impulses.一根螺线用来将无线电波转化成电脉冲。 18. She felt a terrible impulse to rush out of the house and never come back.突然间她心里有个冲动，恨不得冲出屋去，再也不回来。 19. nerve/electrical impulses神经冲动；脉冲 20. When I saw the child fall in the water, I just acted on impulse and jumped in after her.看到那个孩子掉进水里，我就凭冲动行事，跟着跳进去。 21. He has to learn to control his impulses.他必须得学会控制自己的冲动情绪。 22. a natural/creative/sudden impulse 自然的冲动；创作/突然的心血来潮 23. a generous impulse 一时兴起的慷慨之举 24. He had to resist the impulse [=urge] to shout.他不得不抑制住大声叫喊的冲动。 25. My first/initial impulse was to say no.我最初的念头是拒绝。 26. He bought a new camera on impulse.他一时冲动买了台新相机。 27. She quit her job on a sudden impulse.她一时冲动辞了职。 28. The camera was an impulse buy.这部相机是一时心血来潮买下的。 29. Shopping with a credit card can lead to impulse buying.刷卡购物会导致冲动消费。 30. an electrical impulse 电脉冲 31. a nerve impulse [=a wave of electrical energy that is carried through the nerves to the brain]神经冲动