something that a person spends time doing, particularly to accomplish a certain purpose
活动
a sport that involves descending a vertical surface, such as a rock face or a building, using a rope and specialized equipment
攀岩下降
a water sport that involves riding waves on a small board, called a bodyboard, while lying on one's stomach or chest
冲浪板运动
an activity in which someone jumps from a very high place with a rubber cord tied around their ankles
蹦极跳
a type of boat that is light and has an opening in the top in which the paddler sits
皮划艇
the sport or activity of moving through an area, particularly an urban area, by running, jumping, and climbing over, under, or around different obstacles
跑酷
a winter sport or activity in which the participant stands on a board and glides over snow, typically on a mountainside
滑雪板