| 释义 |
dem·og·raphyBrE /dɪˈmɒɡrəfi/NAmE /dɪˈmɑːɡrəfi/ noun [U] the changing number of births, deaths, diseases, etc. in a community over a period of time; the scientific study of these changes 人口统计；人口统计学；人口学◆the social demography of Africa 非洲社会人口统计▸ dem·og·raph·er BrE /dɪˈmɒɡrəfə(r)/NAmE /dɪˈmɑːɡrəfər/ noun |