an instinctive motive;"profound religious impulses"
a sudden desire;"he bought it on an impulse"
the electrical discharge that travels along a nerve fiber;"they demonstrated the transmission of impulses from the cortex to the hypothalamus"
(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"
the act of applying force suddenly;"the impulse knocked him over"
an impelling force or strength;"the car"s momentum carried it off the road"
中英词源
impulse 冲动，刺激
im-,进入，使，pulse,冲击，震动。
impulse (n.)
early 15c., "an act of impelling, a thrust, push," from Latin impulsus "a push against, pressure, shock," also "incitement, instigation, impulse," past participle of impellere (see impel). Meaning "stimulus in the mind arising from some state or feeling" first recorded 1640s.
词态变化
复数 impulses; Www.wEntIyi.com
权威造句
1. 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。
来自柯林斯例句
2. Sean"s a fast thinker, and he acts on impulse.
肖恩是个思维敏捷、行事随兴的人。
来自柯林斯例句
3. After lunch she decided on impulse to take a bath.
午饭后她突然兴起，决定洗个澡。
来自柯林斯例句
4. Many people act on impulse without counting the cost.
很多人不考虑后果就莽撞行事。
来自柯林斯例句
5. 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。
来自柯林斯例句
近反义词
urge 驱策
compulsion 强迫
pressure 压强
whim 一时的兴致
stimulus 刺激
thrust 刺
notion 观念
flash 闪光
fancy 华丽装饰的
inspiration 灵感
push 推
impetus 推动力
pulsation 脉博
pulse 脉搏
instinct 直觉
desire 渴望
propulsion 推进
motive power 动力
drive 开车
tick 滴答作响
nerve 神经
beat 打
signal 信号
provocation 激怒
stimulant 兴奋剂
occasion 场合
sudden 突然的
thought 思想
nervous impulse 神经冲动
caprice 反复无常
pulsing 脉冲发生
nerve impulse 神经冲动
neural impulse 神经冲动
momentum 势头
impulsion 冲动
相似短语
on impulse 一时冲动地
give an impulse to 推动,刺激,促进
on the impulse of the moment 凭一时冲动,由一时高兴
brightening impulse 亮冲击
echo impulse 反射脉冲
electronic impulse 电子脉冲
energy impulse 能脉冲
counter impulse 计数脉冲
escapement impulse 擒纵机构冲击
gravity impulse 重力驱动
单词分析
暂无,等待补充.
记忆方法
1、im- "into, in, on, upon" + puls- "drive, push" + -e.
2、含义：drive on, drive into; 推进、推动、驱动、冲动、脉冲。
