Bdf
[医][=B cell differentiation factor]B细胞分化因子
🗣️ 情景例句
Shall we have a chat in the sitting room over the tea for a while?
我们在客厅呆一会儿，喝茶聊天好吗？
Why did you like it so much?
为什么你那么喜欢它？
It's very thoughtful of you.
你想得真周到。