Level 6 · word 18,999 of 20,000

demography

/dɪˈmɑːɡrəfi/ American
  • n. 人口统计学, 人口学
Definition
  • n. the study of human populations and how they change
Example
The demography course examined how populations change over time.
这门人口学课程探讨了人口如何随时间变化。