最終更新日：2024/07/28

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A reserve or substitute. / (computing) A copy of a file or record, stored separately from the original, that can be used to recover the original if it is destroyed or damaged.

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backup

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backup

/ˈbækˌʌp/

noun

A reserve or substitute. / (computing) A copy of a file or record, stored separately from the original, that can be used to recover the original if it is destroyed or damaged.

I always keep a backup of my important files.

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意味（1）

A reserve or substitute.

If the goalkeeper is injured, we have a backup.

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意味（2）

After the power failure, we had to restore the database from backup.

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意味（3）

An accumulation of material caused by a (partial) obstruction or (complete) blockage of the flow or movement of the material, or an accumulation of material that causes an overflow due to the flow being greater than the maximum possible flow.