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backup
bækʌp ˈbækʌp ˈbækˌʌp
(also back-up)Word forms: plural backups
1 N-VAR (物资、人员等的)支持,辅助 Backup consists of extra equipment, resources, or people that you can get help or support from if necessary. (物资、人员等的)支持,辅助
  • There is no emergency back-up immediately available.

    手头无法获得应急支持。

  • Alternative treatments can provide a useful back-up to conventional treatment.

    替代疗法能为传统的治疗提供有效的辅助。

2 N-VAR 备用品;后备计划 If you have something such as a second piece of equipment or set of plans as backup, you have arranged for them to be available for use in case the first one does not work. 备用品;后备计划
  • Every part of the system has a backup.

    系统的每个部分都有备用元件。

  • Computer users should make regular back-up copies of their work.

    计算机使用者应该定期对自己的工作进行备份。

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