Seronegative
[医] 血清反应阴性的
🗣️ 情景例句
We must.
我们是该开始了。
In case of fire, keep your head.
万一发生火灾，保持镇定。
Perhaps his greatest belief was in an Indian phrase which he called the force of truth.
也许他最大的信仰就在他称之为真理的力理"这一印度隽语里。