Relax your arm (the whole body, actually), keep your wrist flexible, lift the hand from 5 to 20 cm above the keys (the shorter distance in the beginning), and let gravity drop your hand.
手臂放松(事实上是整个身体都要放松)，保持手腕柔软，然后将手抬高离开键盘5至20公分(开始时用较短的距离)，让手自然放下。
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