n.增援，后援，(文件等的)备份
backup的复数

原形：backup复数：backups

Mary sang backup on his CD.
玛丽在他的唱片里伴唱。
We should have backup details available.
我们要补充自己所知道的细节。
It's important to regularly backup your computer files to an external hard drive or cloud service.
定期将电脑文件备份到外部硬盘或云服务上是非常重要的。
I need to backup my phone data before updating the operating system.
在更新操作系统之前，我需要备份手机数据。
The IT department conducts system backups every night to prevent data loss.
IT部门每晚进行系统备份，以防数据丢失。
Could you please backup this folder to the server? We don't want to risk losing any progress.
你能把这个文件夹备份到服务器上吗？我们不想冒险丢失任何进度。
I made a backup of the project files in case something goes wrong with the current version.
我为项目文件做了备份，以防当前版本出现问题。
Always remember to backup your game saves; you never know when a bug might wipe out your progress.
记得随时备份你的游戏存档；你永远不知道何时会出现一个错误抹掉你的进度。
The photographer kept a backup of all the wedding photos on a separate memory card.
摄影师在另一个存储卡上保存了所有婚礼照片的备份。
In case of a power outage, the UPS (Uninterruptible Power Supply) will kick in and give us time to safely backup our work.
如果发生停电，不间断电源(UPS)会启动，给我们时间安全地备份工作。
Before reinstalling the software, ensure that you've created a backup of your preferences and settings.
在重新安装软件之前，请确保您已经创建了偏好设置的备份。
The musician keeps a backup guitar at every gig in case his main one has any issues.
这位音乐家在每场演出中都备有一把备用吉他，以防他的主要吉他出现任何问题。