In computing, a mouse (plural mice, or mouse devices) is a pointing device that functions by detecting two-dimensional motion relative to its supporting surface.

• 在电脑操作过程中，鼠标（外插鼠标或鼠标设备）起着重要作用。你只需轻轻点击鼠标键面上凸起的双维按键即可进行操作。