Mechanical lever
[电] 机械闸柄
🧩 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
Yes?
是吗？
To teach how to drive a car
教人驾驶汽车
Which books did you buy?
您买的是两本什么书？