在练习快速放松时有一个好方法，就是先按下一个琴键，用同一手指弹奏一个快速的，中等音量的音。
A good exercise for practicing rapid relaxation is to start with one key down and to play a quick, moderately loud note with that same finger.
在练习快速放松时有一个好方法，就是先按下一个琴键，用同一手指弹奏一个快速的，中等音量的音。
A good exercise for practicing rapid relaxation is to start with one key down and to play a quick, moderately loud note with that same finger.
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