Ncf
[医][=(polymorphonuclear)neutrophil chemotactic factor]（多形核）中性粒细胞趋化因子
🗣️ 情景例句
We should get to work,
我们得开始做事了。
Beware beginnings.
慎始为上。
No, they're still working on it.Let's go into the garage and have a look at it.
没有，他们还在修呢。我们到车库去看一下吧。