Mercurification
汞合金化
🗣️ 情景例句
We haven't heard from him for weeks but we're still hoping for a letter.
我们已经有几个星期没有他的消息，但仍然盼望着他的来信。
He has a radio,doesn't he?
他有一台收音机，对不对？
How many would you like to order?
您要订多少？