名词
中文翻译:备用方案
同义词:
['backup', 'alternative', 'contingency']
例句:
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1. If the powergoes out, we'll need to fall back on our flashlights for lighting.
如果停电了,我们需要用手电筒作为照明。
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2.The company has a fallback plan in case of natural disasters.
该公司有自然灾害的备用计划。
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3.We should always have a fallback position in case of emergency.
我们应该总是有一个紧急情况下的备用位置。