Lever principle
[化] 杠杆原理
🧩 词语组成解析
lever
['li:və, 'levə]
n. 杠杆;操作杆;工具;
vt. 用杠杆撬动;
🗣️ 情景例句
I have a full house.
我有一个罗汉。
It seems he's handsome.
看起来他好像很英俊。
It is as if a single unimportant event set up a chain of reactions.
好像是一件无关紧要的小事引起了一连串的连锁反应。