形容词
中文翻译：退化的
同义词：
['declining', 'deteriorating']
例句：
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1.The population of the city has been declining for several years.
这个城市的人口已经下降了好几年。
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2.The economy of the country is deteriorating due to poor governance.
由于糟糕的管理，该国的经济正在恶化。
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3.The old building was in a state of degeneration before it was demolished.
这座老建筑在被拆除前处于衰败状态。