Seropositivity
血清阳性
🗣️ 情景例句
Oh, it's so exciting, isn't it, Richard?
噢 ，这太令人兴奋了 ，是不是 ，Richard？
Faults are thick where love is thin.
一朝情意淡，样样不顺眼。
The first essential in elephant training is to assign to the animal a single mahout who will be entirely responsible for the job.
驯象中至关重要的是指派一名专门的驯象员，全面负责这项工作。