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
I would like to thank my family
我要感谢我的家人
I have not traveled everywhere in Guangzhou.
我还没有游遍广州。
After her husband had gone to work.
理查兹夫人等丈夫上班走后，