underwater blasting水底爆破;水下碎裂;水底爆炸
underwater vehicle水下运载工具;水中推进器;潜水器
underwater welding[机] 水下焊接;[机] 水中焊接;水下焊;水下焊接
underwater telephone[通信] 水下电话;水下
Underwater Exploration水下探索;水下勘探;水下探测;水下探究
Underwater Wars水下战争
underwater penetration入水深度;[水运] 透水深度
underwater polarimeter水下偏振仪
Underwater Education水下教学
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。