Melanoplakia
黑斑病; 口粘膜黑斑
🗣️ 情景例句
I've never heard such a pile of crap in my life!
我这辈子从来没听过如此胡说八道！
What part of the world do you come from?
你从世界的哪部分来的？
He's our office assistant.
是我们办公室的勤杂人员。