Compound lever
复式杠杆; 复杆
🧩 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
How many brothers and sistes do you have?
你有多少个兄弟姐妹？
He didn't enjoy losing the game of chess.
他因为下棋输了而索然无味。
What a lot of smoke!
好浓的烟啊！