Barcenite
[化] 锑酸汞矿
🗣️ 情景例句
I'm sorry, but I've got to be on my way.
很抱歉，我必须走了。
This week he took his first vacation from work in five years.
五年来，他本周破例第一次休假。
Why do you say that?
你为什么这样说？