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

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	paralleling parallelism parallelisms parallelogram parallelogram parallelopiped parallelopipedal parallelopipedon parallel processing parallels paralogism paralogisms Paralympic Games paralyse paralyse paralyses paralysis paralysis paralysis agitans paralytic paralytical paralytics paralyze paralyzed paralyzes

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