demography [dɪˈmɒgrəfi]

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单词级别

第9级

基本释义

n.人口统计，人口学

英英释义

the study of changes in the number of births , marriages , deaths , etc . in a particular area during a period of time

参考例句

Demography is the analysis of population variables. 人口学是对人口变量的分析。
It was once a rule of demography that people have fewer children as their countries get richer. 按人口统计学的一贯规律，一个国家里的人民越富有，他们所拥有的孩子就越少。

demography [dɪˈmɒgrəfi]

单词级别

基本释义

英英释义

参考例句

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