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
But it'll be better tomorrow.
但是明天就会好多了。
When did you join the oranizetion?
你什么时候加入这个团体的？
We're out of a lot of the items.
有好几项都缺货了。