Pdgf
abbr. platelet-derived growth factor 血小板衍生生长因子
🗣️ 情景例句
A surprise?
一个惊喜吗？
He is the people's choice for president.
他是人民选出来的总统。
For a long time.I watched them scurrying around the base of the tree in bewilderment.
在很长一段时间里，我看见蚂蚁围着大树底部来回转悠，不知所措。