Pdgf
abbr. platelet-derived growth factor 血小板衍生生长因子
🗣️ 情景例句
I'm unemployed at the moment.
现在我失业了。
How did you sign the letter?Did you write, sincerely yours?
你怎么签名信的?你写了"真诚地你的"？
Yes?
什么事？