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 backup /ˈbæk.ʌp/ noun 1 B2 [C or U] (someone or something that provides) support or help, or something that you have arranged in case your main plans, equipment, etc. go wrong: » We're going to need some professional backup for this project.» The party is going to be outdoors, so we'll need to organize somewhere as a backup in case it rains.» Remember, your colleagues are your backup system when things go wrong.Thesaurus⁺: ↑Helpers and accomplices , ↑People who help or serve people professionally 2 B2 [C] a copy of information held on a computer that is stored separately from the computer: » Before we leave work each day, we make a backup of all the records we have entered into the computer that day.» The department's backup disks are all stored in a different building.Thesaurus⁺: ↑Computer concepts 3 F0 [C] _US a player who plays when the person who usually plays is not available: » He's a backup for the Dallas Cowboys.Thesaurus⁺: ↑Helpers and accomplices , ↑People who help or serve people professionally • • • Extra Examples:» The paramedic who arrived first at the scene immediately called for backup.» How can I run the pub on my own all evening without any backup?» It is essential to have backup when you go diving, in case anything goes wrong.» If we run out of sandwiches I've got some pizzas in the kitchen as backup.» My neighbour came along to provide some backup, in case the youths gave me any trouble.
随便看	extraordinary extraordinary meeting extraordinary rendition extrapolate extrapolation extra-rare extrasensory extrasensory perception extraterrestrial extraterritorial extra time extravagance extravagant extravagantly extravaganza extravert extreme extremely extreme sport extremism extremist extremities extremity extricate extrication

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