Bav
abbr. 二叶式主动脉瓣（Bicuspid Aortic Valve）；巴伐利亚（Bavaria ）；巴伐利亚人的（Bavarian）
🗣️ 情景例句
Tell me the courses you have completed in school and what is your favorite subject?
你曾修读哪些课程和你最喜欢哪一科？
Proverbs are the cream of a nation's thought.
谚语是一国的思想精华。
Yes, it is.It's very urgent.I feel awful. I have a terrible toothache.
是的，很急。我难受极了，牙痛得要命。