lever
UK
US
Paraphrase
分析词义
"Lever" 主要表示"杠杆"。它大多数时候是名词,描述一种工具或装置,经过恰当的应用,可以用来对物体施加力,从而简化或执行任务。
例句
词根分析
"Lever" 的词根来自中古英语 "levere",意为"挂钩",最早出现在14世纪,用来指代"机械杠杆"。
词缀分析
"Lever" 这个单词没有前缀和后缀。
发展历史和文化背景
"Lever" 这个词在欧美文化中有明显的科学方法含义,表示通过理性和科学手段解决问题。比如,阿基米德曾经说过 "Give me a lever long enough and a fulcrum on which to place it, and I shall move the world." 翻译过来就是 "给我一个足够长的杠杆和一个支点,我将能移动整个世界。"
单词变形
其主要为名词,其形式基本不变。
记忆辅助
可以联想到阿基米德的名言,想象一个长杠杆和支点的场景,将 lever 与这个场景连结起来,可以帮助记忆。
小故事
Tom found a large rock blocking his path. "I can move this rock using a lever," he thought. Using a long stick as a lever and a small rock as the fulcrum, he successfully moved the large rock out of his path.
汤姆发现一块大石头挡住了他的路。他想:"我可以用一个杠杆移开这块石头。"于是,他用了一根长棍作为杠杆,一块小石头作为支点,成功地将路中的大石头移走。
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