鼠标是一个可以用手在桌面上推动的小东西，通过它可以在屏幕上移动光标或者选中菜单上的某项功能。
The mouse is a small, handheld object that is pushed around a desktop to move the cursor on the screen or to select choices from menus displayed on the screen.
提供位置座标的一种输入设备。例如鼠标器、图形输入板。
An input device that provides coordinates of a position.Example: A mouse, a tablet.
用鼠标器（或其它选图设备）检取显示在屏幕上需要的信息，以供计算机做下一步的处理。
Identification of information displayed on a screen for subsequent computer processing, by pointing to it with a mouse.
