Epsa
[医][=embryo placental specific antigen]胚胎胎盘特异性抗原
🗣️ 情景例句
You forgot to ask me for the change.
你忘了问我要找回零钱。
How often did I tell you not to say a word?
我告诉你多少次不要讲话?
And this is Luming.He is Chinese.
这位是鲁明。他是中国人。