piano roll

美 
英 
  • n.自动钢琴打孔纸卷（用于自动钢琴琴键弹奏）
  • 网络钢琴卷帘窗；钢琴卷轴；钢琴卷帘窗口

权威英汉双解

英英

网络释义

piano roll
n.
1.
自动钢琴打孔纸卷（用于自动钢琴琴键弹奏）a roll of paper full of very small holes that controls the movement of the keys in a player piano

例句