Bdf
[医][=B cell differentiation factor]B细胞分化因子
🗣️ 情景例句
Salad dressing?
沙拉要什么调味酱？
Will anyone be able to fill her shoes now that she's left the company?
既然她已经离开了公司，有人能接替她的位置吗？
Hurry up, Sam!The kettle's boiling!
快，萨姆。水开了！