piano accordion

例句：

1. 1.The piano accordion is a popular instrument for weddings and parties.
   钢琴手风琴是婚礼和派对中非常受欢迎的乐器。
2. 2. The accordion player was the highlight of the performance.
   手风琴演奏者是表演的亮点。
3. 3. They played a beautiful piece on the accordion during the concert.
   音乐会上，他们用手风琴演奏了一首美妙的曲子。