备份
prepare; spare; possess
Meanings
2 senses · 9 examplesnoun
spare (one); reserve copy; backup
Refers to an additional item, copy, or plan kept in reserve in case the original fails or is needed. It emphasizes preparation for contingencies.
It's wise to bring a spare umbrella when traveling.
The performance has a backup act prepared in case an actor gets sick.
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This software created two backups to ensure data security.
Is there a spare tire in the car?
He always carries a spare key.
verb
to make a backup; to copy for safekeeping
Commonly used in computing and data management contexts. The action of creating a duplicate copy of digital files, software, or systems as a precaution against loss.
I always back up a file every day before leaving work.
Remember to back up your phone data regularly.
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This system automatically backs up the database.
To prevent computer failure, he backed up all his photos to the cloud.