Seronegative
[医] 血清反应阴性的
🗣️ 情景例句
the first settlers in America.
他们是第一批来美国定居的移民。
They walk as if they were drugged.
他们走路像服了什么药物似的摇晃着。
He named the country Ao-tea-roa which means the land of the long,white cloud.
他将这个地方称之为"奥蒂罗"。意思是白云绵绵的地方"。