n. 潜艇；潜水艇（submarine的复数）

n a submersible warship usually armed with torpedoes

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

v move forward or under in a sliding motion

v throw with an underhand motion

v bring down with a blow to the legs

v control a submarine

v attack by submarine