Grinding wheel
01
砂轮, 磨轮
a wheel-shaped abrasive tool used for sharpening, shaping, or smoothing surfaces by removing material through the frictional action of abrasive grains bonded to the wheel
例子
The mechanic used a grinding wheel to sharpen the tools before starting the repair work.
机械师在开始维修工作之前用了一个砂轮来磨利工具。
