Ncf
[医][=(polymorphonuclear)neutrophil chemotactic factor]（多形核）中性粒细胞趋化因子
🗣️ 情景例句
I have spent the last five years working specifically in this field.
过去五年我专门在这个领域里工作。
Have you invited any girls?
你邀请女孩吗？
It's about four hundred yards down this street.
城堡就在这条街上，（离这儿）400码左右。