Menaphthene
[医] 甲萘醌, 2-甲基-1,4-萘醌, 维生素K-3
🗣️ 情景例句
It's a privilege to know you.
认识您是我的荣幸。
People usually stay out very late on New Year's Eve.
新年夜，人们通常都出去到很晚。
Oh, I'm sorry to hear that.
噢，真遗憾。