impulses

英 [ˈɪmpʌlsɪz]

美 [ˈɪmpəlsɪz]

n.  冲动; 心血来潮; 一时的念头; 脉冲; 冲击; 冲量; 推动力; 刺激
impulse的复数

柯林斯词典

• N-VAR 冲动;一时兴起的念头
  Animpulseis 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。
• 脉冲
  Animpulseis a short electrical signal that is sent along a wire or nerve or through the air, usually as one of a series.
• ADJ 一时兴起的;随兴的
  Animpulsebuy orimpulsepurchase 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。
• PHRASE 凭冲动;一时兴起
  If you do somethingon 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。

双语例句

• This paper is devoted to study the oscillation of second order nonlinear differential equations with impulses.
  对二阶非线性脉冲微分方程的振动性给出了充分判据。
• Nerve impulses, hormone and organ-specific irritant can cause cell membrane depolarization.
  神经冲动、激素及器官特异刺激物可以引起细胞膜去极化。
• The instructive book inhibits people flora wrong desires and impulses.
  这本有教育意义的书抑制了人们不正当的欲望和行动。
• The efferent fibers carry impulses from the central nervous system to the effector organs commanded by these centers.
  传出纤维把中枢神经系统的冲动传到中枢所管辖的效应器。这种有中枢神经系统参与的情况，称为中枢敏感化。
• No personal impulses can be felt in it; not a stroke has any verve.
  既见不到他个人的情感，也看不出有哪一笔下得生动有力。
• Make an abrupt change of image or sound. In television, the scene is translated into electric impulses.
  作一个突然的场景或声音的转变。在电视里，场景被转变为电脉冲。
• What inner turmoil my following all these impulses led to!
  我的内心在这整个的推动下导致混乱！
• I evaluate all this and start sending out impulses to step up production of gastric juices and saliva.
  我核计了这一切，开始传出搏动以加快生产胃液和唾液。
• In the course of time positive and negative acceleration impulses tend to cancel one another.
  在长时间中，正向和反向加速度冲击有互相抵消的趋势。
• Nerve cells carry and receive nervous impulses.
  神经细胞传递并接收神经冲动。