英语词汇back-up facilities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	back-up facilities
释义	back up (sb.) — 作主 • 做主 back sb up— 敲边鼓 backing up v — 备份 v facilities pl — 设施 n back adj — 后 adj • 回来 adj back adv — 支持 adv • 支援 adv • 力挺 adv • 脊背 adv • 后边 adv back n — 背 n • 后面 n • 背面 n • 背部 n • 背影 n • 脊 n • 背侧 n back-up — 后援 up — 向上 • 攲 up n — 起伏 n back sb. up— 仗腰
随便看	difficulty of finding difficulty of handling difficulty of having difficulty of interpretation difficulty of making difficulty of movement difficulty of reconciling difficulty of situation difficulty of the subject difficulty of the task difficulty of the terrain difficulty of transport difficulty over difficulty performing difficulty raising difficulty reading difficulty regarding difficulty relates to difficulty remembering difficulty repaying difficulty settings difficulty sleeping difficulty sourcing difficulty surviving difficulty sustaining

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。

back up (sb.) —