英语词汇“roller ball”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	roller ball
释义	Seetrackball
随便看	gps receiver application module gps reciever gps recorder buffer interface gps reference gpsrg gpss gpssa gpssc gps science & technology program gpsso gpss/pc gpssu gps support facility gps surface observing system gpst gps tactical receiver gpstc gps-tdaf gps&te gps time gps time server gps timing interfaces gps timing receiver gps tracker gps tracking

英语词典包含2567994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。