adj.不同步的(易流动的；空转的)
China Parkour and Freerunning Froum! 中国跑酷网论坛。
a characteristic that distinguishes it from the similar practice of freerunning, which places more emphasis on freedom of movement, such as acrobatics. 这也是跑酷和其他类似的自由奔跑不同的地方，后者像杂技一样更加注重动作的自由。
freerunning fit 轻转配合
