名词
中文翻译：衰变能量
同义词：
['decaying energy', 'degraded energy例句：1. The decay of the old building is evident in the cracks on the walls.（旧建筑的衰败在墙上的裂缝中显而易见。）']
例句：
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1. The decay of the old building is evident in the cracks on the walls.
旧建筑的衰败在墙上的裂缝中显而易见。
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2. The decay of the ecosystem is a concern for environmentalists.
生态系统的衰败是环保人士的关注点。
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3.The decay of the fossil fuels has been a major issue for decades.
化石燃料的衰败已经是一个几十年来的主要问题。