Silbamine
[医] 氟化银
🗣️ 情景例句
Are you through with your work?
你工作做完了吗？
Good afternoon, sir.
下午好，先生。
Oh, look! said Ann. What's that? She pointed at one of the things.
“看啊！”安说，“那是什么？”她指着一件展品问。