backup

Word family

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.

back·up noun

Chinese

Syllable

Corpus