The submarine dove deep underwater.
这艘潜艇潜入深水。
They spotted a submarine on the radar.
他们在雷达上发现了一艘潜艇。
The submarine can stay submerged for months.
这艘潜艇可以潜水几个月。
A submarine surfaced near the coast.
一艘潜艇在海岸附近浮出水面。
The submarine launched a torpedo.
这艘潜艇发射了一枚鱼雷。
He served on a nuclear submarine.
他在一艘核潜艇上服役。
The submarine has stealth capabilities.
这艘潜艇具有隐形能力。
They explored the ocean in a submarine.
他们乘坐潜艇探索海洋。
The submarine crew was well-trained.
这艘潜艇的船员训练有素。
A submarine can travel undetected.
一艘潜艇可以不被发现地航行。
submarine sandwich
（中间夹肉、干酪和色拉的）长条三明治
nuclear submarine
核潜艇；核子动力潜艇
attack submarine
攻击潜艇；进犯潜入水下艇；攻击型潜艇
nuclear-powered submarine
核动力潜艇；核潜艇；核子动力潜艇
submarine warfare
潜艇战
复数: submarines;
