Seropositivity
血清阳性
🗣️ 情景例句
... and I do need some advice on a difficult problem.
……我的确有一个难题要请教你。
Why are you so scared? I don't bite.
我又不咬人，干嘛那么怕我？
It's the same colour.It's green, too.
一样的颜色， 也是绿的。