名词
中文翻译：老龄化人口
同义词：
['elderly population', 'senior population']
例句：
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1.The aging population is a growing concern for the government.
老龄化人口是政府日益关注的问题。
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2.With the increasing life expectancy, the aging population is expected to continue growing.
随着预期寿命的提高，老龄化人口预计将继续增长。
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3.Governments around the world are working to address the challenges posed by an aging population.
世界各国政府正在努力解决由老龄化人口带来的挑战。