demography [dɪˈmɒgrəfi]以下由轻松背单词网站提供
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。 推荐阅读 |