Seropositivity
血清阳性
🗣️ 情景例句
This is a wonderful example of Spanish-style architecture.
这是栋很棒的典型西班牙式建筑。
What''s the fare to New York, Economy Class?
去纽约的经济舱机票多少钱？
It is becoming harder and harder to find a job.
现在找工作是越来越难了。