1. I enjoy playing the harmonica in my free time.
在我空闲的时候，我喜欢吹口琴。

2. The band featured a talented harmonica player.
乐队中有一位才华横溢的口琴演奏者。

3. I bought a new harmonica online.
我在网上买了一把新口琴。

4. He learned how to play the harmonica by watching online tutorials.
他通过观看在线教程学会了如何吹口琴。

5. The harmonica added a beautiful melody to the song.
口琴为这首歌曲增添了优美的旋律。

6. She performed a solo on the harmonica during the concert.
她在音乐会上用口琴独奏。