air escape

例句：

1. 1. The air was so thin that it felt like a vacuum.
   空气非常稀薄，感觉像真空。
2. 2. The scientist found a small hole in the air escape system.
   科学家在空气排放系统中发现了一个小洞。
3. 3. The engineer had to vent some of the toxic gases from the factory.
   工程师必须从工厂排放一些有毒气体。