Johnstonite
混硫方铅矿
🗣️ 情景例句
I happen to have
我这儿碰巧有一项
Yes. And please ask me the next time you want to use something.
是的。另外，如果下次要用什么东西，请先问我一声。
How should I tell him the bad news?
我该如何告诉他这个坏消息？