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	past trends past two past two weeks past two years past updates pasturage pasturages pasture pasture and grazing pasture area pasture-based pasture fed pasture for cattle and horses pasture grazing pasture hay pasture improvement pastureland pasture land with pasture management pasture milk pasture quality pasture-raised pasture resources pasture rights pastures

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 —