英语词汇“backup”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	backup
释义	backup noun /ˈbækʌp/ /ˈbækʌp/ [uncountable, countable] jump to other results extra help or support that you can get if necessary The police had backup from the army. We can use him as a backup if one of the other players drops out. The hospital has a backup power supply. Topics Crime and punishmentc1 (computing) a copy of a file, etc. that can be used if the original is lost or damaged Always make a backup of your work. a backup copy see also back something upTopics Computersc1
随便看	containment contaminant contaminate contamination contd contemplate contemplation contemplative contemporaneous contemporaneously contemporary contemporary_1 contemporary_2 contempt contemptible contempt of court contempt-of-court contemptuous contemptuously contend contender contend with contend-with content content2_1

英语词典包含84843条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。