英语词汇“trackball”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	trackball
释义	trackball /trak"bawl'/, n. a computer input device for controlling the pointer on a display screen by rotating a ball set inside a case. [1975-1980]
随便看	rudderpost rudderstock ruddevator ruddle ruddleman ruddy ruddy duck ruddy turnstone rude Rude ruderal rudiment rudimentary Rudny Rudolf Rudolf I Rudolph Rudra Rudy Rudyard rue Rue rue anemone rue family rueful

英语词典包含168451条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。