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Backup
01
支援, 救援
the act of providing assistance or support to someone or something
Example
The soldier was relieved to see backup arrive just in time.
We had to call for backup when the situation became too dangerous.
02
备份, 副本
(computing) a copy of computer data that can be used to restore lost or damaged data
Example
It 's important to create regular backups of your files to prevent data loss in case of a computer crash.
定期备份你的文件非常重要，以防在计算机崩溃的情况下丢失数据。
The system automatically creates daily backups of the database to ensure that no data is lost in the event of a failure.
系统会自动创建数据库的日常备份，以确保在故障发生时不会丢失数据。
03
伴奏, 伴唱
a musical part (vocal or instrumental) that supports or provides background for other musical parts
04
替补, 备用人选
a person who is available to take over or assist if the original person is unable to perform their duties
Example
The actor could n’t perform, so the backup stepped in for the evening show.
She served as a backup in case the main speaker could n’t make it to the event.
05
积压, 堵塞
an accumulation caused by clogging or a stoppage
to backup
[phrase form: back]
01
备份, 做备份
to create a duplicate copy of data on a computer or digital device for the purpose of preserving it for future access or recovery
Example
Make sure to back up your documents to an external drive.
确保将您的文件备份到外部驱动器。
He backed up his photos to the cloud before the trip.
他在旅行之前将他的照片做备份到云端。
