英语词汇alarm 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	alarm backup
释义	alarm n — 报警 n • 惊 n • 闹铃 n • 闹钟 n • 警号 n • 惊恐 n • 惊动 n • 惊扰 n backup — 奥援
随便看	Seal 10 pcs seal 4-pole sealability sealable cap sealable lid seal a contract seal a deal seal adhesive seal a document Seal affixed seal against sea lagoons seal air pressure sea land air sea land transportation seal a net sealant sealant adhesive sealant application sealant glazing sealant industry sealant layer sealant materials sealant products sealants

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。

alarm n —