scuba diving noun
Learner's definition of SCUBA DIVING
[noncount]
: a sport or activity in which you swim underwater using an air tank and a special breathing machine that you strap on your body戴水肺潜水(携带水中呼吸器潜水)
— scuba dive
verb scuba dives; scuba dived; scuba diving [no object]
— scuba diver
noun, plural scuba divers [count]