Seronegative
[医] 血清反应阴性的
🗣️ 情景例句
My mother knows all there is to know
我母亲完全懂得
Eye for eye and tooth for tooth.
以牙还牙，以眼还眼。
While early settlers had killed bison for food, now the killing became more widespread.
早期的殖民者只是以杀野牛为食，这时屠宰野牛就更为广泛了。