柯林斯词典nail file (nail files) 1. N-COUNT A nail file is a small strip of rough metal or cardboard that you rub across the ends of your nails to shorten them or shape them. 指甲锉 返回 nail file剑桥词典a small strip of metal or paper with a rough surface used for making the edges of your nails smooth and curved 指甲锉 返回 nail file