pianola
🇬🇧/ˌpiːəˈnəʊlə/ 🇺🇸/ˌpɪəˈnoʊlə/GREA 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
noun [专属名词]自动钢琴（等于 player piano）；轻而易举的事；一手能轻易赢的牌
Around 1900 the pianola is introduced. This instrument, which is played by perforated paper rolls, becomes a world-wide success.
大约1900年，自动钢琴出现，它由打孔的卷纸来演奏，很快成功行销全球。
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