英语词汇trackball怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	trackball
释义	trackball trackball n: (computing: spherical control device) (计算机术语) SC 轨迹球，跟踪球 guǐ jì qiú，gēn zōng qiú
随便看	checking account check into checklist check mark checkmate check off check on check out checkout check over checkpoint checkroom checks and balances checkup check up on check valve cheddar cheek cheekbone cheek by jowl cheeked cheekily cheekiness cheek to cheek cheeky

英汉双解词典包含74752条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。