Ncf
[医][=(polymorphonuclear)neutrophil chemotactic factor]（多形核）中性粒细胞趋化因子
🗣️ 情景例句
And his name and the date are on the bottom.
他的名字和日期都在下面。
In universities,students train to become teachers and engineers.
在大学里，学生们被训练成为教师和工程师。
Shut up!
闭嘴！