英语词汇backup extraction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 extraction
释义	backup — 奥援 extraction n — 开采 n • 提取 n • 采掘 n • 抽取 n • 萃取 n • 拔取 n • 脱牙 n extraction — 回采
随便看	terrycloth towel Terry fabric Terry pratchett Terry towel Terry towelling Terry towels terry velvet terse terseness terse response terse style terse words tert-butyl tert-butyl-4-hydroxyanisole tert-butyl-4-methoxyphenol tertiary tertiary academic tertiary alcohol tertiary amine tertiary attainment tertiary butyl ether tertiary butylhydroquinone tertiary care tertiary care facilities tertiary college

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 —