Mmr
abbr. 麻疹、腮腺炎和风疹的混合疫苗（measles, mumps, and rubella）
🗣️ 情景例句
Is Li Ying in?
李英在家吗？
What do you want?
干嘛？
I'd like to know something about your foreign trade policy.
我非常想了解有关贵国对外贸易的政策。