Definition
to move the cursor over a specific area of the screen using a computer mouse
鼠标移到…上（屏幕）
When you mouse over the icon, it will display more information.
当你将鼠标移到图标上时，它会显示更多信息。
Users need to mouse over the menu to see the sub-options.
用户需要将鼠标移到菜单上才能看到子选项。
Mouse over the image on the webpage to enlarge it.
将鼠标移到网页上的图片上即可放大它。