submarine
【释义】： adj．海底的n．潜艇 ‖submarine alarm防潜警报submarine attack trainer潜艇攻击教练器submarine base潜艇基地submarine blasting水下爆破submarine cruiser巡洋潜艇submarine killer反潜舰艇submarine launching潜艇发射submarine navigation水下航行submarine patrol areas潜艇巡逻区submarine squadron潜艇中队submarine striking force核攻击潜艇舰队submarine supply center潜艇补给中心submarine target simulator水下目标模拟器submarine tender潜艇供应船submarine warfare潜艇战 |