Seroconverted
(seroconvert 的过去时) vi.[生][医]血清转化(对疫苗产生抗体)
🗣️ 情景例句
When does he arrive?
他什么时候到？
She had to keep out of sight when her husband was holding a meet.
她在丈夫举行会议时只得避不露面。
We can offer you this in different levels of quality.
这产品我们有三种不同等级的品质。