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单词 trackball
释义
trackball
(trækbɔːl ) also track ball also tracker ball
Word forms: trackballs
countable noun
A trackball is a ball on some computers that you turn in order to move the cursor. [computing]
There are three ways to navigate menus: flicking the screen with a fingertip, using the tiny trackball or pressing the various buttons.
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更新时间:2024/11/15 7:31:38