submarinen.潜水艇adj.海面下的
submarine hull潜艇艇体
submarine mast潜艇升降装置
submarine humus海底腐殖质
submarine slope海底斜坡
submarine scarp海底崖,陡崖
submarine armor潜水衣
submarine oiler潜水油船
submarine radar潜艇雷达
submarines dive潜艇潜入水中
submarine slump海底滑塌