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单词 trackball
释义 track·ball
\ˈ ̷ ̷ ˌ ̷ ̷ \ noun
Etymology: track (I) + ball (I)
: a ball mounted usually in a computer console so that only a small portion extends from the surrounding surface and rotated to control the movement of a cursor on a display
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更新时间:2025/3/10 14:58:38