underwateradj.在水中生长的;水下的adv.在水下
underwater sound水(下)声(学)
underwater burst水下爆炸
underwater crane水下起重机
underwater light水下照明灯
underwater drill水下钻孔器
underwater image水下图像
underwater laser水下激光器
underwater craft潜水艇
Underwater clean水下清刷
underwater apron水下护坦