可数名词：

1. 潜（水）艇

2.（also submarine `sandwich）潜艇三明治（长面包纵向切开, 夹肉﹑ 乾酪﹑ 色拉等

a.

1.（存在或置于）海面下的

词形变化

名称submariner

时态submarined，submarining，submarines

英语解释

a submersible warship usually armed with torpedoes

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

move forward or under in a sliding motion

beneath the surface of the sea

control a submarine

bring down with a blow to the legs

throw with an underhand motion

attack by submarine