P.p.factor p.p.
[医] P.P.因子, 抗糙皮病因子
🗣️ 情景例句
Would you like something to drink?
你要不要喝点东西？
We can't decide where to go.
我们不能决定去那里。
Hurry up, Sam!The kettle's boiling!
快，萨姆。水开了！