Mnng
N-甲基-N'-硝基-N'-亚硝基胍
🗣️ 情景例句
May I ask how Mr. Mrs- is?
-先生（小姐）好吗？
Do you know what's on tonight?
你知道今天上演什么？
Hasn't Mary told you?She invited Charlotte and me to dinner this evening.
玛丽没有告诉你吗？她邀请我和夏洛特今晚去吃饭。