Iaq
abbr. indoor air quality 室内空气质量
🗣️ 情景例句
Her efforts were rewarded by good results.
她的努力获得了良好的结果。
When did you get married?
你什么时候结婚的？
it is extremely difficult to estimate the true value of the services which people perform for us.
但要估算别人为我们为所提供的服务的价值却是极其困难的。