拨弦古钢琴

例句：

1. 1. The grand piano is the most expensive and largest type of piano.
   大钢琴是最昂贵和最大的钢琴类型。
2. 2. She played the piano beautifully in the concert.
   她在音乐会上演奏钢琴时表现得非常美妙。
3. 3. I bought a new piano for my daughter's birthday.
   我为女儿的生日买了一架新钢琴。