英语词汇upgrading of systems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	upgrading of systems
释义	upgrade v — 升级 v • 改良 v • 提拔 v • 晋升 v upgrade n — 升级 n • (计算机)升级 n upgrade — 更新 • 升格 • 擢升 • 换新 of — 的 systems pl — 体系 pl system n — 制 n • 体 n • 制度 n • 体制 n • 制式 n • 装置 n • 条贯 n
随便看	put undue reliance Putuo district, Central Shanghai putuo District, Central Shanghai put up put up a bridge put up a desperate struggle put up advertisement put up a fight put up a front put up against put up a good fight put up a good show put up a guest put up a life or death struggle put up a performance put up a poster put up a resistance put up a scaffolding put up a show put up a sign put up assets put up a strong resistance put up at a hotel put up a tent put up barriers

英汉双解词典包含2273206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。

upgrade v —