动词
中文翻译：后滚
同义词：
['roll back', 'revert to', 'retreat例句：1. The team backed up their decision by providing additional evidence.（团队通过提供额外的证据来支持他们的决定。）']
例句：
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1. The team backed up their decision by providing additional evidence.
团队通过提供额外的证据来支持他们的决定。
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2. The company is backing up its claims with concrete evidence.
该公司正在用具体的证据来支持其主张。
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3. The government has decided to roll back the cuts in public services.
政府已决定撤回公共服务的削减措施。