P.p.factor p.p.
[医] P.P.因子, 抗糙皮病因子
🗣️ 情景例句
I hope he's in a good mood.
我希望他心情不错。
He has gone home.
他已经回家去了。
It must have been about two in the morning when I returned home.
我回到家时，肯定已是凌晨两点左右了。