英语词汇piano roll怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	piano roll
释义	piano rolln.（名词） A roll of paper containing perforations corresponding to the notes of a musical composition, used in operating a player piano.钢琴滚动条，钢琴纸卷：含有与乐曲音符相对应的孔洞的纸卷，用以操作自动钢琴
随便看	operating system operation operation operational operationalism operationalisms operation code operations operations research operative operatives operator operator operators opercula opercula operculate operculated operculates operculum operculums operetta operettas operette operon

英汉双解词典包含166908条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。