最终，你或许就可以用腿部伸直的站姿，膝盖不触碰地面的方式来完成健腹轮的训练。
Eventually you will be able to do the straight legged version of the exercise where your knees are not touching the floor.
女士用食指碰了碰右膝盖，大叫道，“哇，疼！”
The woman touched her right knee with her index finger and yelled, "Ow, that hurts."
女士用食指碰了碰右膝盖，大叫道，“哇，疼！”
The woman touched her right knee with her index finger and yelled, "Ow, that hurts."
应用推荐