名词
中文翻译：Unknown
同义词：
['unused', 'unused', 'unutilized']
例句：
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1. The old building was left unaged for years before it was torn down.
这座旧建筑在被拆除前闲置了多年。
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2. The equipment is still in use, but we're unaging it to save money.
设备仍在使用中，但我们正在对其进行再利用以节省成本。
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3. Unaging the resources means that they will be used more efficiently.
对资源进行再利用意味着它们将更高效地被使用。