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
I can't express myself very well in English.
我用英语表达不好。
Are there reserved seats on the train?
车上有预订座位吗？
Oh, could you get some for me, too?
噢，你能给我也买一些吗？