When we play loud and fast, we throw the fingers to the bottom of the keys; since the keybed is made of elastic material, it responds with considerable rebound.

• 当我们演奏强音和快速弹奏时,我们将手指投掷到键的最底部;因为琴键是由弹性材料制成的,所以它有相当大的反弹力。