英语词汇upgrade protection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	upgrade protection
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 • 换新 • 擢升 protection — 保护 • 防避 • 掩护 • 知遇之恩 • 庥 • 掩蔽 protection n — 保障 n • 权利 n
随便看	from the end of 2001 onwards from the end of 2010 onwards from the end of a calendar year from the end of a year from the engineering point of view from the enterprise from the entity from the entrance from the entry into force from the envelope from the environment from the equation from the error from the established from the establishment from the estate from the European Union from the exam from the executives's point of view from the expertise from the expert's point of view from the expert's point of view from the expert's point of view from the extra from the extreme

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 —