backup
Longman Dictionary of Contemporary English 5++LDOCE 5++back·up /ˈbækʌp/ ●○○ noun 1 [countable] 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 [countable] 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[uncountable] 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 [countable] American English 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 Dictionarybackupback‧up /ˈbækʌp/ noun [countable] 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 computerTake a backup copy of the file to be converted.back·up nounChineseSyllable
replace Corpus you that that use can Business does something something to
backup
back‧up /ˈbækʌp/
noun
1. [countable] something that you can use to replace something that does not work or is lost:
Always have a backup plan.
a backup generator
2. [countable] a copy of a computer document, program etc, which is made in case the original becomes lost or damaged:
Make a backup of any work you do on the computer.
3. [uncountable] people or things that can be used to provide support and help if they are needed:
Army units can only operate if they have sufficient backup.
a backup team
4. [countable] American English someone who will play in a sports team if one of the other players is injured or ill
SYN reserve:
a backup goalie
▪ help the things you do to make it easier or possible for someone to do something: Now that I’m working, the kids need to give me more help with the housework. | The book would never have been finished without his help.
▪assistance help. Assistance is more formal than help, and is used especially about people giving official help: The police are asking the public for their assistance. | The project received financial assistance from the government. | Thank you very much for your assistance, sir. | He set up the business with the assistance of his two sons.
▪aid help. Aid is more formal than help, and is used especially about money, food, medicine etc. that is given to countries or people that are in a very bad situation: Aid is being sent to areas affected by the earthquake. | The US spends billions of dollars on aid to developing countries. | Another driver stopped and came to his aid.
▪support help and encouragement: Thanks to everyone who gave us their support. | We could not have won the case without your support.
▪cooperation help – used especially when people, organizations, or countries work together to get things done, and show that they are willing to do this: a spirit of international cooperation | The cooperation of landowners was needed for the plan to succeed.
▪backup extra people, equipment etc that can be used in case people need help: The officer waited for backup to arrive before making any arrests.
back‧up /ˈbækʌp/
noun1. [countable] something that you can use to replace something that does not work or is lost:
2. [countable] a copy of a computer document, program etc, which is made in case the original becomes lost or damaged:
3. [uncountable] people or things that can be used to provide support and help if they are needed:
4. [countable] American English someone who will play in a sports team if one of the other players is injured or ill
SYN reserve:
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