动词
中文翻译：Unknown
同义词：
['support', 'backup']
例句：
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3.例句：1. We need to have a backup plan in case of emergency.
我们需要有一个应急计划。
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2. The server needs to be backed up regularly to prevent data loss.
服务器需要定期备份，以防止数据丢失。
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3. The backup system is working perfectly.
备份系统工作得非常好。