n. 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
n. 口琴, 玻璃钟琴
[医] 氢气发音管
1. She plays the harmonica beautifully at the local music festival.
她在当地音乐节上优美地演奏口琴。
2. I bought a harmonica to learn how to play blues music.
我买了一把口琴来学习如何演奏蓝调音乐。
3. The children enjoyed listening to their grandfather play the harmonica.
孩子们喜欢听他们的祖父演奏口琴。