baby grand

例句：

1. 1.The baby grand piano is the most expensive instrument in the room.
   婴儿大号钢琴是房间里最昂贵的乐器。
2. 2. She decided to buy a baby grand piano for her birthday.
   她决定买一架婴儿大号钢琴作为生日礼物。
3. 3. The baby grand piano was featured on the cover of the music magazine.
   婴儿大号钢琴出现在音乐杂志的封面上。