Seroconvert
vi.[生][医]血清转化(对疫苗产生抗体)
🗣️ 情景例句
Am I going to miss her?
我会想念她吗？
How much?How many?
共多少？
You could save a lot if you would order a little more.
如果你单子下得多一点，可以省不少的钱。