Read Edit View history 轨迹球 guǐjìqiú trackball Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 轨迹球/ 軌跡球 guǐjìqiú trackball trackball (computing) 许多早期的笔记本电脑都配备了轨迹球。 Edit Delete References Add reference No references for this word.