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单词 trackball
释义
N3930394trackballSpoken.0Fiction.8Magazine.65Newspaper.4Academic.17

trackball

/ˈtrækbɔːl/
(亦作tracker ball)
noun
a small ball that is set in a holder and can be rotated by hand to move a cursor on a computer screen
跟踪球(用手旋转以移动计算机显示屏上光标的小球)。
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更新时间:2025/2/12 9:17:38