air path

例句：

1. 1. The engineer designed the air path to improve efficiency.
   工程师设计了空气通道以提高效率。
2. 2. The new ventilation system has a unique air path that helps to reduce pollution.
   新的通风系统有独特的气流路径，有助于减少污染。
3. 3.The researcher found that the air path in the room was not optimized for maximum comfort.
   研究者发现房间的气流路径没有优化，以最大化舒适。