释义 |
Ceiling fan
Ceiling fanA slowly rotating overhead fan with a wide sweep, moving large volumes of air at low speed; used in hot, humid climates to improve thermal circulation. ceiling fanA ceiling-mounted air-moving device that is characterized by several revolving blades (commonly three to five) which are comparatively large and slow-moving; usually hung so that it directs the air downward; relatively quiet in operation because of its low speed. |