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
There's much more to be done.
要做的事太多了。
Congratulations on your having a baby.
我恭喜你生了个宝宝。
It's cheaper, isn't it?
这更便宜些，是吗？