Ndf
[医][=neutrophil diffraction factor]嗜中性粒（白）细胞衍生因子
🗣️ 情景例句
Remember your father-in-law's a pediatrician.
记住你公公是小儿科医师。
I get to work at nine o'clock every morning.
我每天早上9点钟上班。
Anyway, as Brian pointed out, it is the easiest thing in the world to give up smoking.
不管怎么说，正如布赖恩指出的那样，戒烟是世界上最容易的事情，