Walpurgite
砷铀铋矿
🗣️ 情景例句
It's nice to see you again.
很高兴再见到你们。
I will go out with him is he asks me.
我会和他出去，假如他要求我的话。
I'd also like to congratulate you on your good work in these two years.
我还要祝贺你在这两年中的出色表现。