鼠标器

例句：

1. 1. The computer mouse is a small device that allows you to control the computer with your fingers.
   计算机鼠标是一个小装置，允许你用手指控制电脑。
2. 2. The mouse is an essential tool for navigating the internet.
   鼠标是导航互联网的必备工具。
3. 3. The mouse is used to click on buttons and select options on the screen.
   鼠标被用来点击按钮和在屏幕上选择选项。