adjustable drum

例句：

1. 1. The adjustabledrum is a great tool for practicing music.
   可调鼓是练习音乐的好工具。
2. 2. Theadjustable drum is easy to use and canbe played by anyone.
   可调鼓易于使用，任何人都能演奏。
3. 3. The adjustable drum isperfect for children's parties.
   可调鼓非常适合儿童派对。