player-piano paper钢琴乐谱卷筒纸
Player-piano自动钢琴
player piano paper钢琴乐谱卷筒纸
a player piano这里指
Player Piano Plus演奏钢琴
Robin Player Piano罗宾自动演奏钢琴
automatic c player piano自动钢琴
automatic player piano自动钢琴
player piano rolls自动钢琴
N-COUNT(可数名词) A player piano is a type of mechanical piano that uses a special roll of paper to play itself. 自动钢琴 [美国英语]