空气冷却法

例句：

1. 1. The air quality is very poor in this area.
   这个地区的空气质量非常差。
2. 2. Air travel is the fastest way to get from one place to another.
   航空旅行是从一个地点到另一个地点最快的方式。
3. 3. The scientist studied the effects of air pollution on human health.
   这位科学家研究了空气污染对人类健康的影响。