1N-COUNT [oft n NOUN]研磨機,碾磨機(廚用電器) In a kitchen, a grinder is a device for crushing food such as coffee or meat into small pieces or into a powder. 研磨機,碾磨機(廚用電器)
...an electric coffee grinder.
電動咖啡研磨機
2N-COUNT 磨床;砂輪 A grinder is a machine or tool for sharpening, smoothing, or polishing the surface of something. 磨床;砂輪