demographer
🇺🇸
/dɪˈmɑːɡrəfər/
🇬🇧
/dɪˈmɒɡrəfə(r)/
noun
R
A person who studies population trends, such as births, deaths, and diseases, in a community over time.
The demographer analyzed the population data to understand the impact of migration on the city.
人口学家分析了人口数据，以理解迁移对城市的影响。
translation
人口学家
词形变化
Plural
demographers