英语词汇backup equipment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	backup equipment
释义	backup — 奥援 equipment n — 具 n • 器材 n • 仪器 n • 器械 n • 装置 n • 武装 n
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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。

backup —