vent hood

例句：

1. 1. The car has a vent hood that can be opened to let fresh air in.
   这辆车有一个可以打开的通风罩，可以让新鲜空气进入。
2. 2.The exhaust hood on the engine is designed to catch and filter out pollutants.
   发动机上的排气罩设计用来捕捉和过滤污染物。
3. 3. The factory uses a vent hood to control the temperature inside the workshop.
   工厂使用通风罩来控制车间内的温度。