名词中文翻译
中文翻译：备用的
同义词：
['support', 'backup system', 'reserve例句：1. The backup system is ready to take over if the main system fails.（备用系统准备在主要系统失败时接管。）']
例句：
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1. The backup system is ready to take over if the main system fails.
备用系统准备在主要系统失败时接管。
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2.The backup system was activated immediately after the main power went out.
主电源一断电，备用系统就启动了。
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3.The backup plan is in place for any unforeseen circumstances.
任何未预见的情况都有备用计划。