impulses是什么意思？

impulses

英['ɪmpʌlsɪz] 美['ɪmpʌlsɪz]

• n. 凭冲动行事( impulse的名词复数 )，突如其来的念头，推动，冲量；

例句

• Parsimonious thrift relieved by few generous impulses. 吝啬的节俭架不住几次慷慨的冲动.
• In television, the scene is translated into electric impulses. 在电视里, 场景被转变为电脉冲.
• His senses and reasons inhibited his wrong desires or impulses. 他的理智抑制了不正当的欲望或冲动.
• The photochemical reactions transform the light into electrical impulses. 光化学反应使光变为电脉冲。
• Transmitting nerve impulses away from the central nervous system ; efferent. 与向运动受 动器 传送的神经元或神经冲动相关.
• The enzyme cholinesterase is important in the transmission of nerve impulses. 胆碱酯酶在神经刺激的传导中起着重要作用.

柯林斯高阶英汉双解学习词典释义

• N-VAR
  冲动;一时兴起的念头
  An impulse is a sudden desire to do something.
  例句
  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。 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。
• N-COUNT
  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.
• 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.
  例句
  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 something on impulse, you suddenly decide to do it, without planning it.
  例句
  Sean's a fast thinker, and he acts on impulse... 肖恩是个思维敏捷、行事随兴的人。 After lunch she decided on impulse to take a bath. 午饭后她突然兴起,决定洗个澡。