the activity of underwater diving in water-filled caves using specialized equipment
洞穴潜水
the practice of diving beyond recreational limits using specialized equipment and techniques
技术潜水
a type of scuba diving where the diver is moved around by currents, allowing the water's flow to carry the diver along
漂流潜水
a type of scuba diving where the diver dives underwater at night using specialized lights
夜潜
a type of scuba diving where the diver explores sunken ships and other underwater structures
沉船潜水
a condition where sudden pressure changes cause nitrogen bubbles in the body, leading to symptoms like joint pain and fatigue
减压病
the duration a diver spends underwater during a single dive, typically measured from descent to ascent
底部时间
to swim under water for specific purposes using special swimming and breathing equipment
潜水
to swim under water with a hollow tube called snorkel through which one can breathe
使用呼吸管游泳
a physical underwater activity where individuals swim near the water's surface using a snorkel
浮潜
device that reduces the pressure of the air supply to breathable levels and delivers it to the diver underwater
潜水减压器
*** a gas cylinder used to store and transport high pressure gas used in diving operations
潜水气瓶
a method of providing oxygen to divers underwater on demand to treat decompression sickness or other diving-related injuries
需求阀氧气治疗
(diving equipment) a removable plastic or rubber device worn in the mouth to protect the teeth and jaws while using scuba equipment
嘴托
a hollow tube used by swimmers and divers to breathe while their face is submerged underwater
呼吸管
a belt worn by divers to help them stay balanced and not float too much underwater
配重带