impulse
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分析词义"Impulse" 是一个名词,其主要意思是 "冲动",表示一股一时的强烈愿望或动力。它也可以用来形容一种物理现象,即力的瞬间效应,例如"动量”。
列举例句
词根分析"Impulse"来自拉丁语词源 “impellere”,意为"推动",其中 "im-" 是前缀,表示"向内";而 "-puls-" 是词根,表示"推,打"。因此,"impulse"字面上是指“内推动”。
词缀分析在 "impulse"中, "im-" 是前缀表示"向内","puls-" 是词根表示"推,打","-e" 是结尾但并无特殊含义。
发展历史和文化背景在14世纪,"Impulse"被引入英语中,主要用于物理学中描述力的瞬时推动效果。随后,它在心理学中被广泛应用以形容一种忽然的强烈欲望或驱使。
单词变形
- 动词形式: Impulse没有动词形式,但有近义词 "impel"(推动)
- 形容词形式: Impulsive (冲动的)
- 副词形式: Impulsively (冲动地)
记忆辅助你可以联想到"push" (推动),"impulse"就是一种来自内心的“推动”。
小故事Sara, an impulsive shopper, once again acted on impulse and bought a pair of shoes she didn't need. (萨拉是一个冲动的购物者,她再次冲动地购买了一双她并不需要的鞋子。)
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