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新东方-柯林斯雅思备考词典
demography
英 [dɪˈmɒɡrəfi]
[NOUN]
1. [U 不可数名词] 人口学
Demography is the study of the changes in numbers of births, deaths, marriages, and cases of disease in a community over a period of time.
双语例句
例：a major work on the demography of preindustrial societies.
一部关于前工业社会人口学的主要著作。