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
Thank you.
谢谢你。
On the first day of the new year.
新年的第一天。
The following day, the patient asked for a bedside telephone.
第二天，这位病人要了一部床头电话。