whiteboard
noun [ C ] uk/ˈwaɪt.bɔːd/ us/ˈwaɪt.bɔːrd/
白色书写板
a board with a smooth, white surface, often attached to a wall, on which you can write and draw using special pens
手写板（与计算机相连的电子设备）
a piece of electronic equipment in the shape of a flat, white board connected to a computer that you can write on using a special pen that also controls the computer
an interactive whiteboard 互动式白板