Hbcag
乙型肝炎核心抗原
🗣️ 情景例句
And that's what I did.
我也这样做的。
He didn't visit this country on the tour.
他在旅行中不拟访问这个国家。
Yes, do that. I'll stay here with the girl.
好的，去吧。我留在这儿。