The "soundbox" of the harmonica is the person playing it - their hands, mouth and upper respiratory system.

口琴的“共鸣箱”是吹口琴的人：他们的手、口腔和上呼吸道。

youdao

The "soundbox" of the harmonica is the person playing it - their hands, mouth and upper respiratory system.

口琴的“共鸣箱”是吹口琴的人：他们的手、口腔和上呼吸道。

youdao