英语词汇security 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	security backup
释义	security n — 安 n • 安全 n • 安全性 n • 抵押品 n • 保安 n • 担保 n • 证券 n • 安全感 n • 保安措施 n • 安全工作 n backup — 奥援
随便看	in-transit account in transit and at rest in transit between in transit from in transition face in transition from in transition to democracy intransitive intransitive verb intransitivity in-transit passengers in-transit storage in-transit storage in translation in transmitting in transport in transportation in transporting in transverse in transverse direction in transverse plane intraocular intraocular intraocular pressure intraocular pressure iop

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。

security n —