Seroconvert
vi.[生][医]血清转化(对疫苗产生抗体)
🗣️ 情景例句
It's for babies.
这是给婴儿玩的。
Congratulations on your new job.
我恭喜你找到新的工作。
Many of the cars broke down on the course and some drivers spent more time under their cars than in them!
很多汽车在途中就抛了锚，而有些驾驶员花在汽车底下的时间比坐在汽车里面的时间还长。