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	but only one but only slightly but only subject to but only those but only to degree but only to the extent that but only two but only until but only when but only with but on some but on the contrary but on the other hand but on your own but opposed to but others are but others can! but other than but other than that but otherwise but otherwise there is but ought to but our problem is but overall but over the years

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 —