Erdmannite
复硅锆钡矿
🗣️ 情景例句
I'm a foreign student, and I'd like to make some new friends.
我是个外国学生， 我想交几个新朋友。
I'm afraid there's some sort of misunder standing.
这恐怕有一些误会。
It costs five hundred pounds.
它的售价是500英镑。