demographer

di:'mɒgrәfә

n. a scientist who studies the growth and density of populations and their vital statistics

n. 人口统计学家

38,918

BNC 频率

17,942

使用频率

demographer 由词根 demo-（表示“人民”或“人口”）和后缀 -graph（表示“写”或“记录”）构成。可以理解为“记录人口的人”。

例句

1. The demographer studied the population trends in the city.

人口统计学家研究了该城市的人口趋势。

2. Many governments rely on demographers to forecast future population changes.

许多政府依赖人口统计学家预测未来的人口变化。

3. A demographer can help us understand the effects of aging on society.

人口统计学家可以帮助我们理解老龄化对社会的影响。