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单词 demographer
释义
demographydemography /dɪˈmɑgrəfi/ noun social studies Etymology 1[countable] the number and type of people who live in a particular area:  dramatic changes in the region’s demography2[uncountable] the study of how human populations change, for example the study of how many births, deaths, marriages, etc. happen in a particular place at a particular timedemographer noun [countable]
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更新时间:2024/11/14 12:22:49