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
That's a practicable course of action.
那是一个切合实际的行动方案。
It seems to be the best solution.
这似乎是最好的解决办法。
'We mustn't buy things we don't need,' I remarked suddenly.
“我们不应该买我们不需要的东西，”我突然发表意见说，