英语词汇trackball怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	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	concrete poetry concretes concreting concretion concretions concretism concretisms concretize concretized concretizes concretizing concubinage concubinages concubine concubined concubines concubining concupiscence concupiscences concupiscible concur concurred concurrence concurrences concurrencies

英汉双解词典包含166908条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。