潜水 refers to the activity of diving underwater, typically for exploration, recreation, or research. It can involve various techniques and equipment, such as scuba gear or free diving, allowing individuals to experience marine environments up close. Diving is popular in many locations around the world, with activities ranging from observing marine life to underwater photography. Safety measures, including training and proper equipment, are essential to ensure a safe diving experience. Many divers also participate in conservation efforts to protect underwater ecosystems.