单词：grinders
n. 螺纹磨床；天电干扰声；磨工工人（grinder的复数）
n a large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments); different names are used in different sections of the United States
n grinding tooth with a broad crown; located behind the premolars
n machinery that processes materials by grinding or crushing
n a machine tool that polishes metal
n grinding tooth with a broad crown; located behind the premolars
n machinery that processes materials by grinding or crushing
n a machine tool that polishes metal