impulse

noun

1. 冲动；心血来潮；一时的念头
   a sudden strong wish or need to do sth, without stopping to think about the results
   1. He had a sudden impulse to stand up and sing.
      他突然心血来潮，想站起来歌唱。
   2. I resisted the impulse to laugh.
      我强忍着没有笑出来。
   3. Her first impulse was to run away.
      她的第一个念头就是逃走。
   4. The door was open and on (an) impulse she went inside.
      门开着，她一时心血来潮就走了进去。
   5. He tends to act on impulse .
      他往往凭一时冲动行事。
2. 脉冲；冲击；冲量
   a force or movement of energy that causes sth else to react
   1. nerve/electrical impulses
      神经冲动；电路脉冲
3. 推动力；刺激
   something that causes sb/sth to do sth or to develop and make progress
   1. to give an impulse to the struggling car industry
      给予挣扎中的汽车工业一点刺激

1. N-VAR 冲动;一时兴起的念头
   An impulse is a sudden desire to do something.
   1. Unable to resist the impulse, he glanced at the sea again...
      他抑制不住冲动,又向海面瞥了一眼。
   2. He still couldn't understand the impulse that had made him confide in Cassandra...
      他仍然难以理解是什么样的冲动使他向卡桑德拉吐露了秘密。
   3. Wade resisted an impulse to smile.
      韦德强忍住想笑的冲动。
2. 脉冲
   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.
3. ADJ 一时兴起的;随兴的
   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.
   1. The curtains were an impulse buy.
      窗帘是一时兴起买下的。
4. PHRASE 凭冲动;一时兴起
   If you do something on impulse, you suddenly decide to do it, without planning it.
   1. Sean's a fast thinker, and he acts on impulse...
      肖恩是个思维敏捷、行事随兴的人。
   2. After lunch she decided on impulse to take a bath.
      午饭后她突然兴起,决定洗个澡。

1. Many people act on impulse without counting the cost.
   很多人不考虑后果就莽撞行事。
2. He was egocentric, a man of impulse who expected those around him to serve him.
   他是个以自我为中心、易冲动的人，希望身边的人都为他服务。
3. All day she had fought off the impulse to telephone Harry.
   她一整天都在克制自己想给哈里打电话的冲动。
4. Unable to resist the impulse, he glanced at the sea again
   他抑制不住冲动，又向海面瞥了一眼。
5. He still couldn't understand the impulse that had made him confide in Cassandra
   他仍然难以理解是什么样的冲动使他向卡桑德拉吐露了秘密。
6. Wade resisted an impulse to smile.
   韦德强忍住想笑的冲动。
7. The curtains were an impulse buy.
   窗帘是一时兴起买下的。
8. Sean's a fast thinker, and he acts on impulse
   肖恩是个思维敏捷、行事随兴的人。
9. After lunch she decided on impulse to take a bath.
   午饭后她突然兴起，决定洗个澡。
10. Information is transferred along each neuron by means of an electrical impulse.
    信息在电脉冲作用下经神经元传递。
11. The erotic impulse is sublimated into art.
    将性冲动升华为艺术。
12. He finally gave way to an impulse and pulled her toward him.
    他最终还是没能抑制住冲动，把她拉向了自己。
13. I yielded to an impulse
    我没有忍住冲动。
14. The impulse of falling water turns the waterwheel.
    落水的冲力使水轮转动。
15. I don't know how to resist my impulse.
    我不知道怎样抑制自己的感情冲动。
16. She had a sudden impulse to go on holidays.
    她突然心血来潮想去度假。
17. He called the girl that he met only on impulse.
    他一时冲动给那个与他仅有一面之缘的女孩打了电话。
18. The plan will give an impulse to industrial expansion.
    这个计划将促进工业的扩展。
19. Use high-precision long scan oscillograph and pressure sensor to automatically display the impulse wave and pressure respectively.
    用高精度的慢扫描示波器和压力传感器能自动显示脉冲波形和压力。
20. On an impulse, I said that.
    我一时冲动，说了那句话。
21. Impulse seems to have the upper hand.
    冲动似乎占了上风。
22. The conventional average filter and median filter have different filtering characteristics to Gauss noise and impulse noise.
    传统均值滤波和中值滤波对高斯型噪声和椒盐型噪声有着不同的滤波特性。
23. This may help you increase impulse buying and marketing opportunities.
    这可能有助于增加冲动购买和市场机会。
24. Indeed, this is extremely valuable for a modern man with such a pure impulse and recluse quality.
    一个现代人还能有这样一种纯粹的冲动和隐士的品质，实在是太难能可贵了。
25. From our point of understanding, this is a confusion of force and impulse.
    从我们的角度理解，这是一个混乱的力量和冲动。
26. This phenomenon let me have a kind of impulse that wants to analyse a reason.
    这个现象让我有了一种想分析原因的冲动。
27. This makes the TEM horn antennas have good fidelity when radiating and receiving short time domain impulse antenna.
    TEM喇叭天线作为时域脉冲天线，其辐射和接收的时域短脉冲信号具有良好的保真性。
28. The anti-stealth mechanism of high power impulse radar is discussed in details.
    研究了高功率冲激雷达的反隐身机理。
29. Childrens envy is characteristic of circumstance, directness, impulse and destructiveness.
    儿童之妒具有境遇性、直接性、冲动性和破坏性。
30. The trajectory correction projectile model using impulse was established.
    建立了采用脉冲力控制的弹道修正弹飞行弹道模型。

noun

1. the act of applying force suddenly
   1. the impulse knocked him over

   Synonym:    impulsionimpetus

2. an impelling force or strength
   1. the car's momentum carried it off the road

   Synonym:    momentum

3. the electrical discharge that travels along a nerve fiber
   1. they demonstrated the transmission of impulses from the cortex to the hypothalamus

   Synonym:    nerve impulsenervous impulseneural impulse

4. (electronics) a sharp transient wave in the normal electrical state (or a series of such transients)
   1. the pulsations seemed to be coming from a star

   Synonym:    pulsationpulsingpulse

5. a sudden desire
   1. he bought it on an impulse

   Synonym:    capricewhim

6. an instinctive motive
   1. profound religious impulses

   Synonym:    urge