Melanoplakia
黑斑病; 口粘膜黑斑
🗣️ 情景例句
I would like to send this by registered mail, please.
我想把这封信挂号寄出。
Do you really want to know what I think?
你确实想要知道我认为什么吗？
Just the weekend. Well, I must be off. See you when I get back.
只呆这个周末。好啦，我得走了。回来再见。