harmonica

/hɑrˈmɑnɪkə/

a small rectangular free-reed instrument having a row of free reeds set back in air holes and played by blowing into the desired hole

中文释义：口琴

He played a beautiful melody on his harmonica at the concert.

他在音乐会上用口琴演奏了一首优美的旋律。

The harmonica is a small but versatile musical instrument.

口琴是一种小巧但多功能的乐器。