英语词汇backup is performed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	backup is performed
释义	backup — 奥援 perform — 行 • 演 • 履行 • 表演 • 演出 • 演戏 • 修练 be v — 有 v • 是 v • 当 v • 存在 v • 做 v • 乃 v • 成为 v • 属 v • 乃是 v perform sth. v — 执行 ... v • 演奏... v • 完成... v
随便看	fall season falls elderly people falls falling objects falls far short falls flat falls forward falls from a height falls from grace fall sharply fall short fall short expectations fall short in one's payments fall short in one's payments fall shortly of expectation fall short of fall short of achieving fall short of expectations fall short of meeting fall short of needs fall short of our expectation fall short of perfection fall short of providing fall short of requirements fall short of the best but be better than the worst fall short of the demand

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。

backup —