automatic cover

例句：

1. 1. The automaticdoor cover is designed to keepthe doors open during the night.
   自动门盖设计成在夜间保持门打开。
2. 2.The automatic cover for the car'strunk is a convenient feature that preventstheft.
   汽车后备箱的自动覆盖是一个方便的功能，可以防止盗窃。
3. 3. The automaticcover automatically adjusts the temperature in theroom, making it comfortable all year round.
   自动覆盖物可以根据房间的温度自动调整，使整个房间全年都保持舒适。