Seroconversions
(seroconversion 的复数) n.[生][医]血清转化
🗣️ 情景例句
Four will be good.
4只应该够。
Yes, and I took many pictures.
是的，我还照了好多照片。
'The light is dim.Read the letter to me'.
“光线太暗，请给我读一下这封信。”