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单词 trackball
释义

trackball

​noun countable ​computing
UK /ˈtrækˌbɔːl/
Word Forms
singulartrackball
pluraltrackballs
DEFINITIONS1
  1. 1
    a ball used instead of a mouse on a computer
    Synonyms and related words
    General computer equipment and parts
    accelerated graphics port
    accelerator card
    ADC

trackball

​noun countable ​computing
US /ˈtrækˌbɔl/
Word Forms
singulartrackball
pluraltrackballs
DEFINITIONS1
  1. 1
    a ball used instead of a mouse on a computer
    Synonyms and related words
    General computer equipment and parts
    accelerated graphics port
    accelerator card
    ADC
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更新时间：2026/5/14 5:10:05