名词
中文翻译：Unknown
同义词：
['populace', 'multitude', 'assembly', 'crowd']
例句：
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1. The government istrying to reduce the population growth rate.
政府正试图降低人口增长率。
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2. The population of the city has increased significantly in recent years.
近年来，该市的人口显著增加。
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3.The population of the country is expected to reach 1 billion by 2050.
该国预计到2050年人口将达到10亿。