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单词 rollerball
释义

roll·er·ball

noun
/ˈrəʊləbɔːl/
/ˈrəʊlərbɔːl/
  1. a type of ballpoint pen宝珠笔;签字笔
  2. (also trackball, tracker ball)
    (computing) a device containing a ball that is used instead of a mouse to move the cursor around the screen宝珠笔;签字笔
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更新时间:2025/3/14 3:30:05