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
What can I do for you, sir?
先生，有什么需要帮忙的吗？
I often go to market in the afternoon.
我常常在下午去市场。
Yes, it is, she said. And who are you, anyway?
不，是我的名字啊，她说，而你到底是谁呀？"