Chalcolamprite
氟硅铌钠矿
🗣️ 情景例句
Yes. I'm sorry, but how do you spell your last name, sir?
好的，不过对不起，先生你的姓怎么拼？
It's no big deal.
这没什么大不了的。
Let me see, please. No, it's not mine. I think it's his.
让我看看，不是我的。我想是他的。