Seroconvert
vi.[生][医]血清转化(对疫苗产生抗体)
🗣️ 情景例句
Would you be able to come over Saturday night?
星期六晚上能过来吗？
A penny saved is a penny gained.
省一文是一文。
Let me explain why I was late.
让我解释迟到的理由。