backup
(also back-up) ['bæk.ʌp] noun
ADVANCED countable or uncountable
■(someone or something that provides) support or help, or something that you have arranged in case your main plans, equipment, etc. go wrong 支持，支援；候补物，替代物，备用物•We're going to need some professional backup for this project.要完成这个企划，我们需要一些专业人员的支援。 •The party is going to be outdoors, so we'll need to organize somewhere as a backup in case it rains.晚会将会露天举行，所以我们需要安排一个备用的地方，以防下雨。 •Remember, your colleagues are your backup system when things go wrong.记住，一旦出了差错，你的同事就是你的后备。 ADVANCED countable
■a copy of information that is held on computer, which is stored separately from the computer （文件的）备份•Before we leave work each day, we make a backup of all the records we have entered into the computer that day.每天下班之前，我们都把当天输入电脑的记录备份。 •The department's backup disks are all stored in a different building.该部门的备份磁碟都存放在另一栋大楼内。 countable US
■a player who plays when the person who usually plays is not available 后补队员•He's a backup for the Dallas Cowboys.他是达拉斯牛仔队的后补球员。 |