形容词

1. 潜艇(亦使用缩略形式sub)
A submarine is a type of ship that can travel both above and below the surface of the sea. The abbreviation sub is also used.

2. 水下的;海底的
Submarine means existing below the surface of the sea.

3. 潜艇三明治，长卷三明治(亦使用缩略形式sub)
A submarine sandwich is a long soft bread roll filled with a combination of things such as meat, cheese, eggs, and salad. The abbreviation sub is also used.

1. a submersible warship usually armed with torpedoes

Synonym: pigboatsubU-boat

2. 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

Synonym: bombergrinderherohero sandwichhoagiehoagyCuban sandwichItalian sandwichpoor boysubsubmarine sandwichtorpedowedgezep