1 a very small animal with fur and a long thin tail 鼠 ☞ Mice, like rats, hamsters, etc are members of the rodent family. mouse像rat（大鼠）、hamster（仓鼠）等，都是啮齿类动物(rodent)。

2 a piece of equipment, connected to a computer, for moving around the screen and entering commands without touching the keys 鼠标器，鼠标（与计算机接驳的设备之一，用于代替键盘输入指令）: Use the mouse to drag the icon to a new position. 用鼠标把图符拖到新的位置。 ☞picture on page S2 见Ｓ７页插图