underwateradj.在水中生长的;水下的adv.在水下
underwater vortex水下涡
underwater window水下观察窗
underwater repair水下修船
underwater target水下目标
underwater glider水下滑翔器
underwater images水下图像
underwater mating水下对接
underwater vision水下视觉
underwater effect水下作用
underwater homing水下寻的