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	positive determination positive development positive difference positive difference between positive difference for positive differentiation positive direction positive discipline positive disclosures. positive discrimination positive discussions positive displacement positive displacement blower positive displacement compressor positive displacement gear positive displacement machines positive displacement principle positive displacement pump positive displacement pumps positive-displacement roots blower positive displacement rotary compressor positive displacement screw positive disposition positive distribution positive diversion

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 —