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
grinding tooth with a broad crown; located behind the premolars
machinery that processes materials by grinding or crushing
a machine tool that polishes metal
经典引文
Jewellery. Grinders and Polishers. Experienced only.