Seroconversions
(seroconversion 的复数) n.[生][医]血清转化
🗣️ 情景例句
The world's greatest grandmother, Mrs. Ellen Stewart,
世界上最伟大的祖母， Ellen Stewart太太，
I'll meet you tomorrow.
我们明天见面。
What are you going to do with it?
你打算怎么办？