n.口琴；玻璃琴
The harmonica is of very high quality. 那个口琴质量很好。
He played a tune on his harmonica. 他用口琴吹奏了一支曲子。
He also made the first pair of bifocal glasses and invented a musical instrument called the glass harmonica and the stepladder chair. 他还制造了第一双双焦眼镜，发明了玻璃琴和活梯椅乐器。
adv.调和地；和声地
