P.p.factor p.p.
[医] P.P.因子, 抗糙皮病因子
🗣️ 情景例句
and I can give you and Mrs. Stewart a month of classes free.
我让你和你太太免费上一个月的课。
He doesn't like to talk about political matters.
他不喜欢谈政治的事情。
I will be back by the end of next month.
我下个月底会回来。