Aqi
abbr. 空气质量指数（Air Quality Index）
🗣️ 情景例句
Honey, if there were any problems,
亲爱的， 假如有事的话，
They think people should be less extravagant.
他们认为民众应该更加节制奢侈。
Before very long the parents will be complaining that the child is so secretive and never tells them anything,
不要很久，家长就会抱怨孩子守口如瓶，什么事也不告诉他们，