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 degenerating for decades.
这个城市的人口几十年来一直在减少。
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2.The economy of this region is degenerating due to over-dependence on fossil fuels.
由于过度依赖化石燃料，该地区的经济正在衰退。
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3.The quality of the food in the supermarket has been degenerating over the years.
超市里的食物质量多年来一直在下降。