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	pressor pressoreceptor press party press-point press proof press release pressroom pressrun press secretary press section press stud press time press-up pressure pressure altimeter pressure altitude pressure cabin pressure center pressure cone pressure-cook pressure cooker pressure flaking pressure gauge pressure gradient pressure group

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。