🔍 牛津詞典
🔍 朗文詞典 🎯
🔍 劍橋詞典
🔍 柯林斯詞典
🔍 麥美倫詞典
🔍 韋氏詞典

檢索以下詞典：
(Mr. Ng 不推薦使用 Google 翻譯！)
最近搜尋：
BNC: 15901 COCA: 5476

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

👨🏻‍🏫 Mr. Ng 朗文詞典 📚 – longman.mister5️⃣.net
切換為繁體中文
Site Uptime