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单词 trackball
释义  Related topics: Computerstrack·ball /ˈtrækbɔːl $ -bɒːl/ noun [countable]  TDa small ball connected to a computer, that you turn in order to move the cursor 跟踪球，轨迹球〔一种与计算机连接、用来控制光标移动的小球〕Examples from the Corpustrackball• The reason that conventional trackballs and joysticks aren't used is because the precise positioning that they provide simply isn't needed.• The icons are generally activated by an on-screen pointer controlled by a mouse or trackball.• Klatsky found that some subjects preferred trackballs or Glidepoint pads even though they actually performed better with mice.track·ball nounChineseSyllable  computer, connected turn that small a Corpus you a ball to
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更新时间：2026/6/29 0:01:27