Seroconversions
(seroconversion 的复数) n.[生][医]血清转化
🗣️ 情景例句
Shall we have a chat in the sitting room over the tea for a while?
我们在客厅呆一会儿，喝茶聊天好吗？
How much cloth did you want to order?
你想要多少布料？
I'm not sure I can do it.
恐怕这事我干不了。