Seroconvert
vi.[生][医]血清转化(对疫苗产生抗体)
🗣️ 情景例句
Easy, Philip, easy.
慢慢来， Philip ，慢慢来。
The milkman hopes the cows have plenty of milk every morning.
挤牛奶的人希望每天清晨都能得到大量牛奶。
That is our peak season.
下个月是我们的旺季。