Pdgf
abbr. platelet-derived growth factor 血小板衍生生长因子
🗣️ 情景例句
Sounds like no.
声音像 no 。
Not at all. Go ahead.
好，请吧。
You have to learn when to ask for help and when to ask for information.
你得学会什么时候请求帮助，什么时候打听信息。