ceiling fan

例句：

1. 1.The room has a beautiful ceiling fan that makes the air feel fresh.
   房间有一个漂亮的天花板风扇，让空气感觉清新。
2. 2.She placed her favorite books on the desk and turned on the ceiling fan to cool down.
   她把最喜欢的书放在桌子上，打开天花板风扇来降温。
3. 3. The ceiling fan is an essential appliance in many homes, providing comfort and convenience during summer evenings.
   天花板风扇是许多家庭必备的电器，在夏天晚上提供了舒适和便利。