Seronegative
[医] 血清反应阴性的
🗣️ 情景例句
But I'm thirsty.
可是我渴了。
Well done!
干得好！
Pupils of the school, old and new, will be sending him a present to mark the occasion.
为了纪念这个日子，学校的学生——无论老同学还是新同学——将送他一件礼物。