impulse的语法

1. 冲动
2. 刺激
3. 推动力， 推进力
4. 一时的念头，心血来潮， 感情冲动，冲动的念头
5. 【电】脉冲
6. 冲力
7. 【生理】神经冲动
8. 搏动
9. 倾向
10. 【物】冲量
11. 【医】冲动
12. 鼓舞
13. 一时高兴，兴奋

1. 冲动
2. 搏动
3. 推进，推动
4. 震动

1. an instinctive motive;

   "profound religious impulses"
   

2. a sudden desire;

   "he bought it on an impulse"
   

3. the electrical discharge that travels along a nerve fiber;

   "they demonstrated the transmission of impulses from the cortex to the hypothalamus"
   

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

   "the pulsations seemed to be coming from a star"
   

5. the act of applying force suddenly;

   "the impulse knocked him over"
   

6. an impelling force or strength;

   "the car's momentum carried it off the road"
   

1.冲动;一时兴起的念头
Animpulse is a sudden desire to do something.

e.g. Unable to resist theimpulse, he glanced at the sea again...
他抑制不住冲动,又向海面瞥了一眼。
e.g. He still couldn't understand theimpulse 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。

2.脉冲
Animpulse is a short electrical signal that is sent along a wire or nerve or through the air, usually as one of a series.

3.一时兴起的;随兴的
Animpulse buy orimpulse purchase is something that you decide to buy when you see it, although you had not planned to buy it.

e.g. The curtains were animpulse buy.
窗帘是一时兴起买下的。

4.凭冲动;一时兴起
If you do somethingon impulse, you suddenly decide to do it, without planning it.

e.g. Sean's a fast thinker, and he acts onimpulse...
肖恩是个思维敏捷、行事随兴的人。
e.g. After lunch she decided onimpulse to take a bath.
午饭后她突然兴起,决定洗个澡。

1. 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. She had a sudden impulse to go on holidays.
   她突然心血来潮想去度假。
3. Her first impulse was to walk out and leave him.
   她的第一个想法就是走出去离开他。
4. The plan will give an impulse to industrial expansion.
   这个计划将促进工业的扩展。

on impulse

一时冲动 suddenly and without previous thinking or planning

• ☆ 15世纪初期进入英语，直接源自拉丁语的impulsus，意为推动，冲动。