...the submarine's propulsion system.潜水艇的推进系统We were trying to plot the course of the submarine.我们试图标绘出潜艇的航线图。...submarine caves.海底洞穴Submarine and carrier aircraft were the menaces the great guns could not fight.潜艇和...
He detected a ship moving down the starboard side of the submarine.他发现有一艘船正在潜艇的右侧航行。We were trying to plot the course of the submarine.我们试图标绘出潜艇的航线图。In contrast with its surface fleet, Britain's submarine force was ...