Mayn't
(=may not)的缩写
🗣️ 情景例句
Good morning, Mr. Zhou. Take a seat, please. What can I do for you?
早上好，周先生。请坐。有什么事吗？
I turned off when they started talking about computers.
当他们谈论计算机时，我失去了兴趣。
I think I've filled in everything correctly.
我想各项都填对了。