Seroconverters
(seroconverter 的复数) vi. 【生物学、医学】血清转化, 对疫苗产生抗体
🗣️ 情景例句
Let them have your parking space, that way you won't come back later to find your car vandalized.
让他们把车停在你的停车位吧，那样你回来时就不会发现你的车被刮花。
To carry dirt
清理垃圾
Don't be so modest.
别谦虚了。