英语词汇cd 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	cd backup
释义	CD n — 光盘 n CD — 光碟 • 激光唱片 backup — 奥援
随便看	gayatri mantra gay capital gay community gay dating Gaye gay friendly gay guy gayle Gay League gay & lesbian gay & lesbian gay lesbian transgender gay liberation gay love gayly gay marriage gay married gay men gay movement gayness gay person gay pride gay pride parade gay relationship gay rights

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。

CD n —