impulse
【冲动、刺激、驱动】
"Impulse" 是一个名词,表示冲动、刺激、驱动,或者在物理学中的冲量。根据语境,"impulse" 主要有以下几种含义:
1. 冲动、突发的念头(心理学和日常用法)
表示一种突然的、没有经过深思熟虑的欲望或行为,通常是即时的反应或感情的驱使。
- She acted on an impulse and bought the dress.
(她一时冲动买了那条裙子。) - His decision was made on impulse, without thinking about the consequences.
(他的决定是冲动做出的,没考虑后果。) - Follow an impulse(跟随冲动)
- He followed his impulse to speak his mind during the meeting.
(他跟随自己的冲动在会议中说出了心里话。)
- He followed his impulse to speak his mind during the meeting.
2. 刺激、驱动力(生物学、心理学)
表示引起某种反应或行为的刺激或动机。
- The teacher's encouraging words gave him the impulse to continue learning.
(老师的鼓励话语激励了他继续学习。) - An impulse to act can sometimes come from emotional reactions or external situations.
(行动的冲动有时来自情绪反应或外部环境。)
3. 物理学中的冲量(物理学术语)
在物理学中,impulse 是一个特定的术语,表示力与时间的乘积,即物体受到力作用时,力对物体的作用程度。它通常用于描述物体的动量变化。
- Impulse equals the change in momentum of an object.
(冲量等于物体动量的变化。) - The collision produced a large impulse, causing the car to stop suddenly.
(碰撞产生了很大的冲量,导致汽车突然停下。)
4. 例句总结
- 冲动(心理学、日常):
- I bought the phone on impulse, but later regretted it.
(我冲动买了那部手机,后来后悔了。)
- I bought the phone on impulse, but later regretted it.
- 刺激、驱动力(行为):
- The advertisement gave him the impulse to buy the product.
(广告给了他购买产品的冲动。)
- The advertisement gave him the impulse to buy the product.
- 物理学(冲量):
- The car's change in speed was due to the impulse from the brakes.
(汽车速度的变化是由于刹车产生的冲量。)
- The car's change in speed was due to the impulse from the brakes.
5. 近义词
- Urge(冲动、迫切欲望)
- She felt the urge to call her friend after hearing the news.
(听到这个消息后,她感到有打电话给朋友的冲动。)
- She felt the urge to call her friend after hearing the news.
- Impulse(驱动力、冲动)
- His urge to help was driven by a strong sense of compassion.
(他想帮助别人的冲动是由强烈的同情心驱动的。)
- His urge to help was driven by a strong sense of compassion.
- Instinct(本能)
- Animals often act on instinct rather than reason.
(动物往往依靠本能而非理性行动。)
- Animals often act on instinct rather than reason.
- Spontaneity(自发性、自然的冲动)
- The spontaneity of his decision surprised everyone.
(他决定的自发性让每个人都很惊讶。)
- The spontaneity of his decision surprised everyone.
6. 小贴士
- "Impulse" 强调的是突然产生的欲望或行为,通常与深思熟虑的行动相对,表现为即时的反应。
- 物理学中的"impulse" 则是描述物体在特定力量作用下的反应,它与动量变化紧密相关。