| 摘要 |
A musical instrument is disclosed which comprises a first tubular member having an inlet end and an outlet end, an interior surface, and an exterior surface and a second tubular member having an inlet end and a closed end having a one-way valve, the second tubular member adapted for receiving the first tubular member for moving the first tubular member relative to the second tubular member, and the second tubular member for receiving a liquid through the one-way valve. |
