英语词汇back-up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
释义	请查阅词条：back someone up
随便看	ankle joint ankle sock ankle-sock ankle support anklet ankle tag ankle-tag annal annals Annapolis annatto anneal annealed annealing annelid annex annexation annexe annexed annexing annexure annihilate annihilated annihilating annihilation

英汉双解词典包含207842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。