您要查找的是不是：
- A backup pilot. 候补飞行员
- We should always have a backup plan. 我们应该总是有备用的计划。
- We need to make a move for a backup pg. 我们必须对替补组织后卫的位置有所行动了。
- The system includes a backup auxiliary system. 此系统还有一个后备的辅助系统。
- To make a backup of(a program or file). 备份为（程序或文件）备份
- Do you want to create a backup before converting? 转换之前要创建备份吗?
- How do I make a backup of my Contacts? 如何备份我的“联系人”?
- Hard disk file as a backup device. 硬盘文件作为备份设备。
- Please tell me you have a backup plan. 请告诉我;你还有备用计划...
- Develop and test a backup and restore strategy. 开发并测试备份和还原策略。
- Create a backup copy of the private key. 请备份您的私钥,并妥善保管。
- Did you make a backup copy of that file? 那份文件你有备份吧?
- Closes this page without making a backup disk. 关闭此页,不制作备份盘。
- a backup pilot 预备飞行员
- Imports a service master key from a backup file. 从备份文件中导入服务主密钥。
- You should make a backup copy of it. 你应该做个备份。
- Time Machine can't use an iDisk as a backup disk. Time Machine无法将iDisk用作备份磁盘。
- You should make a backup copy of the file. 你应该给档案做一份备份。
- The rockets need a backup center! 火箭队需要一名后备中锋！
- Did you make a backup copy of the file? 你为档案做备份了吗?
