| demography | |
| 级别 | 第9级 |
| 音标 | [ dɪˈmɒgrəfi ] |
| 解释 | 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 |
| 发音 |  |
| 例句 |
1. Demography is the analysis of population variables. 人口学是对人口变量的分析。 2. 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。 |
