the practice of diving underwater without the use of breathing apparatus

lặn tự do, ngưng thở
the activity of underwater diving in water-filled caves using specialized equipment

lặn hang động, lặn trong hang động ngập nước
the practice of diving beyond recreational limits using specialized equipment and techniques

lặn kỹ thuật, lặn chuyên sâu
a type of scuba diving where the diver is moved around by currents, allowing the water's flow to carry the diver along

lặn trôi, lặn theo dòng chảy
a type of scuba diving where the diver dives underwater at night using specialized lights

lặn đêm, lặn ban đêm
a type of scuba diving where the diver explores sunken ships and other underwater structures

lặn khám phá xác tàu, thám hiểm xác tàu
a condition where sudden pressure changes cause nitrogen bubbles in the body, leading to symptoms like joint pain and fatigue

bệnh giảm áp, bệnh khí ép
the organisms that inhabit the oceans and other saltwater environments

đời sống biển, sinh vật biển
the duration a diver spends underwater during a single dive, typically measured from descent to ascent

thời gian lặn, thời gian ở dưới nước
to swim under water for specific purposes using special swimming and breathing equipment

lặn, thực hiện lặn
to swim under water with a hollow tube called snorkel through which one can breathe

bơi với ống thở
a physical underwater activity where individuals swim near the water's surface using a snorkel

lặn với ống thở, lặn biển
a device that reduces the pressure of the air supply to breathable levels and delivers it to the diver underwater

bộ điều chỉnh áp lực lặn, máy điều áp lặn
a pressurized tank that holds compressed air for divers to breathe underwater

bình lặn, xi lanh lặn
a device that recycles air, extending dive time while conserving gas

máy tái tạo không khí lặn, thiết bị tái chế không khí cho lặn
a method of providing oxygen to divers underwater on demand to treat decompression sickness or other diving-related injuries

liệu pháp oxy van yêu cầu, điều trị oxy van yêu cầu
(diving equipment) a removable plastic or rubber device worn in the mouth to protect the teeth and jaws while using scuba equipment

ống ngậm, bảo vệ răng
a hollow tube used by swimmers and divers to breathe while their face is submerged underwater

ống thở, ống thở lặn
a device used by divers that allows them to breathe underwater

bình dưỡng khí, aqualung
a belt worn by divers to help them stay balanced and not float too much underwater

đai tạ, đai trọng lượng
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