Polycrase
(=polycrasite)[矿]复稀金矿, 锗铀钇矿石
🗣️ 情景例句
I'd like to talk to you about something.
我想跟你谈一件事。
What's the height of the building?
这座楼有多高？
You are just saying that.
你只是说说而已。