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

• Hair cells convert sound waves into electrical impulses that can be interpreted by the brain.
  毛细胞将声波转换成可以被大脑分辨的电脉冲。
• Having perseverance, determination and a strong sense of purpose means you are excellent at controlling your impulses.
  有恒心、决心和强烈的目标感，意味着你很会控制你的冲动。
• Inhibition of natural impulses may cause psychological problems.
  压抑冲动可能会引起心理上的问题。
• 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。
• ( physiology) of nerves and nerve impulses; conveying information away from the CNS.
  （生理学）指神经元和神经冲动；从中枢神经系统将信息传送离开。
• 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！
• 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 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。
• Research has shown that it speeds the transmission of nerve impulses, increases endurance, and strengthens conditioned reflexes.
  研究表明，它加速神经刺激的传播，增强耐力，增强条件反射。
• The majority of the sensory or, afferent impulses from muscle do not reach the level of consciousness.
  来自肌肉的绝大部分感觉或传入神经冲动不会由人所意识到。