Do you know what a clarinet is? 你知道单簧管是什么吗?

　　A clarinet is a musical instrument. 单簧管是一种乐器。

　　When you blow through the mouth piece of a clarinet, the reed of the clarinet vibrates and makes a sound. 当你往单簧管的吹口吹气时，它的簧片会振动并发出声音。

　　Because the clarinet reed is made of wood, a clarinet is called a woodwind instrument. 因为单簧管簧片是由木头制成的，所以单簧管被称为木管乐器。

　　Then how do you make different sounds? 那你怎么发出不同的声音呢？

　　While blowing the mouth piece, you should press different keys of the clarinet. 你朝吹口吹起时，应该按单簧管的不同音键。

　　The sound of a clarinet is similar to the sound of a flute, but it can make lower sounds. 单簧管的声音与长笛相似，但它可以发出较低的音。

　　Many students learn to play the clarinet at school. 许多学生学习在学校演奏单簧管。