英语词汇“backup”是什么意思，“backup”的读音、用法及例句翻译-烛光网

词汇	backup
释义	back·up AHD[băkʹŭp'] D.J.[ˈbækˌʌp]K.K.[ˈbækˌʌp]n.（名词） A reserve or substitute.改变或替代 Computer Science A copy of a program or file that is stored separately from the original.【计算机科学】备份：从原文中独立出来单独贮存的程序或文件的副本 Support or backing.支援或支持 Music A background accompaniment, as for a performer.【音乐】伴奏：为一个演奏者配音伴奏 An overflow or accumulation caused by clogging or by a stoppage:阻塞：由阻碍或停顿引起的泛滥或堆积：a backup in the sink; a backup of traffic at the drawbridge.下水道堵塞；吊桥上的交通阻塞 adj.（形容词） Extra; standby:额外的；替补的：a backup pilot.候补飞行员
随便看	rebuttal rebuttals rebutted rebutter rebutters rebutting rec rec. recalcitrant recalcitrants recalculate recalescence recalescences recall recall recant recanted recanting recants recap recapitalize recapitulate recapitulate recapitulation recapitulation theory

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