Ndf
[医][=neutrophil diffraction factor]嗜中性粒（白）细胞衍生因子
🗣️ 情景例句
Relax! Be patiend and enjoy yourself.
放松点！要有耐心，并让自己快乐！
No one is wise at all times.
人总有一时之失。
As Fred was going in the same direction, he walked along with the tourist.
因为游客与弗雷德走的是同一个方向，他便与游客一道同行。