Seronegative
[医] 血清反应阴性的
🗣️ 情景例句
I think you do.
我想你能体会。
Life is half spent before we know what it is.
等到认识人生，已经一半过去了。
The guests had, of course, realized this from the moment Bessie opened the door for them and, long before the final catastrophe, had had a difficult time trying to conceal their amusement.
客人们自然从贝西为他们开门那一刻起就看出来了，在好长一段时间里，即最后这个乱子发生前，他们努力克制才没笑出声来。