英语词汇跟踪球是什么意思，跟踪球的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-电脑手机教程网

单词	跟踪球
释义	DEFINITIVE EXAMPLES 权威例句〔trackball〕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美国传统
随便看	exotoxin exotrophy exotropia exotropism exotylot EXP exp exp expadump expaiable expallent expalpate expand expand expand expand Expand All Expand Branch expand branch expand in expand in expand into expand into expand into expand joint

英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。