形容词
中文翻译：退化的
同义词：
['declining', 'deteriorating', 'degraded']
例句：
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1. Thepopulation of the city has been declining steadily for the past decade.
过去十年里，这个城市的人口一直在稳步下降。
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2.The economy is deteriorating due to the lack of investment.
由于缺乏投资，经济正在恶化。
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3. The environment is degraded due to overuse of pesticides.
由于过度使用农药，环境正在退化。