Seroconversion factors
[医] 血清转化因子
🧩 词语组成解析
n. [生][医]血清转化
n. 因素（factor的复数）
🗣️ 情景例句
Well, I wasn't clear about my future,
我对自己的未来当时也不清楚，
This cannot compare with that.
这个无法与那个相比。
I don't think so. Ah! It was Li Lei.
我想不是。啊，是李雷！