pianola
柯林斯词典
1. N-VAR A Pianola is a type of mechanical piano. When you press the pedals, air is forced through holes in a roll of paper to press the keys and play a tune. 自动钢琴[英国英语] [trademark]
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1. N-VAR A Pianola is a type of mechanical piano. When you press the pedals, air is forced through holes in a roll of paper to press the keys and play a tune. 自动钢琴[英国英语] [trademark]