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.

• 一种大型三明治，由纵长的硬壳香蕉船做成，夹肉和干酪（还有番茄、洋葱、莴苣和调味品）；在美国的不同地区叫不同的名字。