He invented a new stroke for his lone rear leg moving it piston like from side to side to achieve both power and stability.
它创造了一种单条后腿跑跳的新方法，腿像活塞似地左右摆动，既有劲又稳定。
He invented a new stroke for his lone rear leg moving it piston like from side to side to achieve both power and stability.
它创造了一种单条后腿跑跳的新方法，腿像活塞似地左右摆动，既有劲又稳定。
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