• underwater photographer – подводный фотограф
• underwater volcano – подводный вулкан
• underwater tunnel – подводный туннель
• underwater world – подводный мир
• underwater archaeologist – подводный археолог
• underwater pipeline – подводный трубопровод
См. также: undergo sufficient processing, under the guise? in the guise?, under penalty of perjury, undisputed authority
drowning – death caused by being underwater and not being able to breathe, or a case when this happens (Cambridge English Dictionary)
A vehicle (from Latin vehiculum) is a machine designed for self propulsion, usually to transport people or cargo, or both. Vehicles include wagons, bicycles, motor vehicles (for example, motorcycles, motor cars, trucks, buses and powered wheelchairs and scooters for disabled people), railed vehicles (trains, trams), watercraft (ships, boats, underwater vehicles), amphibious vehicles (screw-propelled vehicles, hovercraft), aircraft (planes, helicopters, aerostats) and spacecraft. (Wikipedia)
In 2000, underwater archaeologist Franck Goddio discovered the ancient city of Thonis-Heracleion, 7km off the coast of Egypt. (BBC)
At least 50 metres (164ft) of an underwater pipeline bringing Russian gas to Germany is thought to have been destroyed by a blast last month. (BBC)
• underwater
• underwaters
