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
She gave me the cold shoulder.
她对我冷淡。
I am sorry to keep you waiting.
真抱歉，让你久等了。
We're going to have to put your account on C.O.D.。
今后我们不得不将您的户头改为C.O.D.。