Seroconvert
vi.[生][医]血清转化(对疫苗产生抗体)
🗣️ 情景例句
Is there a station near here?
附近有地铁站吗？
You are just trying to save face.
你只是想挽回面子。
And this is Luming.He is Chinese.
这位是鲁明。他是中国人。