复数：submarines 现在分词：submarining 过去分词：submarined
1.潜水艇,潜艇
1.海里的,水下的,海底的
1.用潜艇攻击
1.a ship that can travel both on the surface of the water and under water
1.under the surface of the ocean
1.to attack by submarine
submarinedsubmarinedsubmarined