Sort of like using the sustain pedal on a piano, and it can make a small voice sound bigger.

例如钢琴运用得延音踏板，而且在你得演唱中还能使得音量变大。

youdao

Sort of like using the sustain pedal on a piano, and it can make a small voice sound bigger.

例如钢琴运用得延音踏板，而且在你得演唱中还能使得音量变大。

youdao