Ncf
[医][=(polymorphonuclear)neutrophil chemotactic factor]（多形核）中性粒细胞趋化因子
🗣️ 情景例句
Will you come over to help me with the tough job?
您能否来帮助我做这项艰苦的工作？
When I had a rest, what were you doing?
当我休息时，你在做什么？
what would civilization be like without its benefits?
如果不受其惠，文明将会是个什么样子呢？