Bdf
[医][=B cell differentiation factor]B细胞分化因子
🗣️ 情景例句
And call me, Alexandra.
还有，打电话给我 Alexandra。
Please don't be frightened by my dog.
请不要害怕我的狗。
One is the general atmosphere of secrecy in which it is carried out,
一是科研工作中普遍存在的保密气氛；