the activity or art of moving through a city by running, jumping and climbing under, around and through things in a way that shows expression and style 自由跑（指在城市中以尽量优美的方式奔跑、跳跃、攀爬、环绕、穿越的行为或艺术） Free running treats the urban landscape as an adult playground. 自由奔跑将城市景观视为成人游乐场。 an online game based on the sport of free running 基于自由奔跑运动的在线游戏