英语词汇“piano roll”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	piano roll
释义	piano roll n. A roll of paper containing perforations corresponding to the notes of a musical composition, used in operating a player piano.
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英语词典包含135693条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。