Experiment with shifting your weight back and forth slightly between each foot in order to feel more clearly the point where your weight is equally distributed between them.
通过在两脚间轻轻地前后移动你的重心来实验，以便列清楚地感觉重心均匀地分配在两脚的那个点。
The key to this particular part of the service preparation is to have your weight equally distributed on the balls of each foot by the time you reach maximum knee bend.
在发球准备姿势中本部分的关键是在你再完成屈膝时重心平衡分配在两脚前脚掌之间。
The key to this particular part of the service preparation is to have your weight equally distributed on the balls of each foot by the time you reach maximum knee bend.
在发球准备姿势中本部分的关键是在你再完成屈膝时重心平衡分配在两脚前脚掌之间。
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