Ncf
[医][=(polymorphonuclear)neutrophil chemotactic factor]（多形核）中性粒细胞趋化因子
🗣️ 情景例句
Bye.
再见。
It is better to wear out than to rust out.
与其锈掉，不如用坏。
Whose? The twins?
谁的？那对双胞胎的吗？