She moves her arms and hands slowly but her feet move in fast difficult steps.
她的胳膊和手移动得很慢，但她的脚移动得很快。
Lift yourself off the floor by carefully shifting your center of gravity. Press your hands into the floor and slowly begin to rock your weight back, off your feet and onto your hands.
双手扎实地按向地面，慢慢将重量向后放，重心落在双手上，抬起双脚。
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