a ship that can travel underwater 潜艇 a nuclear submarine 核潜艇 a submarine base 潜艇基地 submarines carrying nuclear warheads 携带核弹头的潜艇 the problem of submarines operating too close to fishing vessels 潜艇活动过于靠近渔船的问题
Oxford Collocations Dictionaryadjective- conventional
- atomic
- ballistic-missile
- …
- dive
- sink
- surface
- …
- captain
- commander
- crew
- …
- (also submarine sandwich, hero)(all North American English)
a long bread roll split open along its length and filled with various types of food 潜艇三明治，长卷三明治（用长卷面包纵向切开，内夹各种食物）