Fluorapatite
[医] 氟磷灰石
🗣️ 情景例句
Good afternoon. What's the trouble?
下午好。有什么不舒服吗？
It all depends.
视情形而定。
I don't think so. We just have to trust our manager.
我想帮不上吧。我们只能相信经理了。