英语词汇back-up electricity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 electricity
释义	back up (sb.) — 作主 • 做主 back sb up— 敲边鼓 backing up v — 备份 v electricity n — 电 n • 电费 n • 电能 n • 供电 n • 用电 n • 电气 n • 电力 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 • 背面 n • 背部 n • 后面 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	a reason against a reason are a reason behind a reason can be given a reason could be a reason for a reason for change a reason for concern a reason for dismissal a reason for doing sth a reason for people a reason for the increase a reason for this a reason I do something a reason in favour of a reasoning a reason is that a reason may be a reason that a reason therefor a reason to celebrate a reason to deal a reason to doubt a reason to live a reason were

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.) —