名词
中文翻译：人口减少
同义词：
['decrease in population', 'reduction in population']
例句：
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1. The government has been working on depopulating the city to improve its infrastructure.
政府一直在努力减少城市的人口，以改善其基础设施。
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2. The decline in population is a concern for many developing countries.
人口下降是许多发展中国家的担忧。
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3. The depopulation of the area has led to a decrease in tourism revenue.
该地区的人口减少导致旅游收入下降。