Bfk
abbr. Becker-Fulde-Keller theory 贝克尔-富尔德-凯勒理论; bovine fetal kidney 牛胎肾
🗣️ 情景例句
Where does she live?
她住在哪？
Is this yours?
这是你的吗？
It wasn't easy to win the match. No. 64 Middle School is really a strong team.
赢这场球不容易。第64中学的的确是一支强队。