英语词汇back-up batteries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 batteries
释义	back up (sb.) — 作主 • 做主 back sb up— 敲边鼓 backing up v — 备份 v batteries pl — 电池 n • 蓄电池 pl 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	answered prayer answered promptly answered questions answered satisfactorily answered some questions answered that answered the call answered the following answered the phone answered this question with yes answered this way answered through answered to our questions answered to our questions answered using answered with answered with yes answered your questions answer enquiry answer enquiry‎ answer enquiry‎ answer enquiry‎ answer evaluation answer every questions answer expectations

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.) —