英语词汇backup performance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 performance
释义	backup — 奥援 performance — 性能 • 表演 • 演出 • 秀 performance n — 效能 n • 执行 n
随便看	a time of great change a time of happiness a time of increased a time of peace a time of peace and stability a time of shipment a time of the essence a time of uncertainty a time once a timeout has occurred a time period, in which a time period, in which a timepiece a time problem a time propose a time reduction a time saver a time-saving solution a time-saving solution a time sheet a time shift a time slot a timeslot for a time slot with a time span

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 —