英语词汇backup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
释义	backup — 奥援 () Examples: backup ring n — 支承环 n backup ring — 备用环 backup regulator— 备用二级头呼吸器 perform as a backup dancer— 伴舞 backup job n— 备份工作 n backup file n — 备份文件 n
随便看	way entry wayfarer sunglasses way for way for developing way for handling way for renewal way forward way forward for way forward with way from way function way gives way guidance way he thinks way higher than way home way home from school way how are way, i.e. way, i.e. way, i.e. way, i.e. th way, i.e. th way if way in

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 —