Televoltmeter
[电] 遥测电压计
🗣️ 情景例句
I would like to send this by registered mail, please.
我想把这封信挂号寄出。
We'd better not go out tomorrow, son.
孩子，我们明天最好不要出去。
What seems to be the problem.
什么样的问题呢？