名词
中文翻译：退化
同义词：
['decay', 'deterioration', 'decomposition', 'degeneration例句：1. The old tree is showing signs of degeneration.（这棵老树正显示出退化的迹象。）']
例句：
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1. The old tree is showing signs of degeneration.
这棵老树正显示出退化的迹象。
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2. The process of degeneration can be slowed down by regular maintenance.
通过定期维护，可以减缓退化过程。
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3.The researchers found that the degeneration of the coral reef was due to pollution.
研究人员发现珊瑚礁的退化是由于污染造成的。