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	Administrative report administrative reporting administrative reporting requirements administrative representative administrative requirements administrative research administrative resources administrative responsibilities administrative responsibility administrative restrictions administrative review administrative revision administrative rights to the domain administrative risk administrative role administrative routines administrative rule making administrative rules administrative rulings administrative safeguard administrative sales administrative sanctions administrative scheme Administrative sciences administrative Secretary

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 —