全部练习的方法和练习在这本书中很多涉及到的都是肌肉怎样按下琴键(屈肌肉)。

All the practice methods and exercises discussed in this book deal mostly with the muscles used to press the key down (flexors).

youdao

全部练习的方法和练习在这本书中很多涉及到的都是肌肉怎样按下琴键(屈肌肉)。

All the practice methods and exercises discussed in this book deal mostly with the muscles used to press the key down (flexors).

youdao