backup

Word family adjectivebackedbacklessbackmostbackwardbackward-lookingbackbonedbackbonelessbackbreakingback-burnerbackdoorbackfieldbackhandedbackroombackstagebackstartingnounbackerbackingbackwardationbackwardnessbackachebackbandbackbeatbackbencherbackbiterbackbitingbackboardbackbonebackbreakerbackchatbackcourtback doorbackfallbackfilebackfillbackfillingbackfirebackfittingbackflipbackgroundbackhandbackhoebacklandbacklashbackletterbackliftbacklistbacklogbacklotbackmarkerbackpackbackpackerbackpackingbackpiecebacksawbackscatterbackscratcherbackscratchingbacksetbackseybacksidebacksightbackslashbacksliderbackslidingbackspinbackstabbingbackstabberbackstairsbackstallbackstaysbackstitchbackstopback storybackstreetbackstrokebackswimmerbackswingbackswordbackswordmanbacktrackingbackupbackveldbackvelderbackwashbackwaterbackwoodsbackwoodsmanbackwordbackworkbackworkerbackyardbackbacketadverbbackwardlybackwardsverbbackbitebackcastbackscratchbackslidebackspacebackspeirbacktrack

单词	backup
释义	backup Word family adjectivebackedbacklessbackmostbackwardbackward-lookingbackbonedbackbonelessbackbreakingback-burnerbackdoorbackfieldbackhandedbackroombackstagebackstartingnounbackerbackingbackwardationbackwardnessbackachebackbandbackbeatbackbencherbackbiterbackbitingbackboardbackbonebackbreakerbackchatbackcourtback doorbackfallbackfilebackfillbackfillingbackfirebackfittingbackflipbackgroundbackhandbackhoebacklandbacklashbackletterbackliftbacklistbacklogbacklotbackmarkerbackpackbackpackerbackpackingbackpiecebacksawbackscatterbackscratcherbackscratchingbacksetbackseybacksidebacksightbackslashbacksliderbackslidingbackspinbackstabbingbackstabberbackstairsbackstallbackstaysbackstitchbackstopback storybackstreetbackstrokebackswimmerbackswingbackswordbackswordmanbacktrackingbackupbackveldbackvelderbackwashbackwaterbackwoodsbackwoodsmanbackwordbackworkbackworkerbackyardbackbacketadverbbackwardlybackwardsverbbackbitebackcastbackscratchbackslidebackspacebackspeirbacktrack Related topics: Computers back·up /ˈbækʌp/ ●○○ noun 1 [countableC] something that you can use to replace something that does not work or is lost 备用品，后备 Always have a backup plan. 什么时候都要有一个备用计划。 a backup generator 备用发电机 2 [countableC] a copy of a computer document, program etc, which is made in case the original becomes lost or damaged 〔电脑文件、程序等的〕备份 Make a backup of any work you do on the computer. 你在电脑上做的任何工作都要备份。 3 HELP[uncountableU] people or things that can be used to provide support and help if they are needed 后备人员；备用物品 Army units can only operate if they have sufficient backup. 部队要有足够的后备力量才能作战。 a backup team 后备小组 4 [countableC] American EnglishAmE someone who will play in a sports team if one of the other players is injured or ill 〔球队的〕替补队员 SYN reserve a backup goalie 替补守门员 Examples from the Corpus backup• But he had a backup plan; you had to if you came this far.• These allow the user to delete and rename files or make a backup copy.• His father and Mr Abrey fill in as relief drivers and backup.• A good backup team might help as well!• Standard brakes include power, vented front discs and rear drums with anti-lock backup.• Several police cars provided backup for the officers.• His top backup, Donovan Ricketts, is also out with a pelvic injury. From Longman Business Dictionary backupback·up /ˈbækʌp/ noun [countableC] COMPUTING a copy of information held on a computer that is put onto a DISK so that the information is not lost if there is a problem with the computer Take a backup copy of the file to be converted.
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