under-water lamp水底灯
under piston water inlet活塞下方进水口
Under different water conditions在不同水分状态条件下
under-water cinematography水下摄影
Under r Water Pumps液下泵
under-water GPS水下立体定位系统
Stones Under Rushing Water歌词名称
under shallow water浅水下
under-water welding水下焊
ADV（副词） Something that exists or happens underwater exists or happens below the surface of the ocean, a river, or a lake. 在水面下
...giant submarines able to travel at high speeds underwater.
…能在水下高速行驶的巨型潜艇。
ADJ（形容词） Underwater is also an adjective. 在水下的 [ADJ n]
...underwater exploration.
…水下勘探。
ADJ（形容词） Underwater devices are specially made so that they can work in water. 水下用的 [ADJ n]
...underwater camera equipment.
…水下摄影设备。