underwater TV水下电视
underwateradj.在水中生长的;水下的adv.在水下
underwater fittings水下附件
underwater pressure水下压力
underwater mortgage资不抵债
underwater detector水下探测器
underwater tracking水下跟踪
underwater launcher水下发射装置
underwater drilling水下钻探
underwater swimming潜泳
underwater paddling水下划桨
underwater obstacle水下障碍物