英语词汇“trackball”是什么意思，“trackball”的读音、用法及例句翻译-烛光网

词汇	trackball
释义	track·ball AHD[trăkʹbôl'] D.J.[ˈtrækˌbɔːl]K.K.[ˈtrækˌbɔl]n.（名词） A ball mounted in a stationary housing and rotated to control a pointer on a computer screen.轨迹球，跟踪球：嵌入固定框架的球，旋转以控制计算机屏幕上的光标
随便看	geoponics geopressured Geordie Geordies George George George Corley Wallace State Community College George C Wallace State Community College George Fox College George I George II George III George IV George Mason University George River Georges Georges Bank Georgetown George Town Georgetown College Georgetown University georgette georgette crepe georgettes George V

烛光网英语在线翻译词典收录了166908条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。