Pnu
[医][=protein nitrogen unit]蛋白氮单位
🗣️ 情景例句
That sounds exciting.
听起来怪热闹的。
I know the boy whose father is a professor.
我知道那个男孩的父亲是大学教授。
Certainly, Lily. What's wrong?
当然可以，Lily，怎么啦？