fan gate

例句：

1. 1. The new fan gate is a welcome addition to our living room.
   新风扇门是我们客厅的一个新欢迎。
2. 2. The fan gate was designed to keep the air circulating in the room.
   风扇门被设计来保持房间的空气流通。
3. 3. The fan gate was installed at the entrance of the building to control the flow of air.
   风扇门安装在建筑入口处，用来控制空气流动。