demographer

demographer的音标为[ˌdeməˈgrəʊfə] ，基本翻译为“人口统计学家，人口学者”，速记技巧为：人口统计学家关注的是人口数量、结构和分布。

Demographer的英文词源是“de-”表示“下”，“-mographer”表示“写作的人”，所以整体上就是“研究人口统计的人”。

变化形式：名词形式为demographer，形容词形式为demographic。

相关单词：

1. demographic analysis：人口统计分析 - 分析人口统计数据。

2. demographic trend：人口统计趋势 - 描述人口统计数据的变化趋势。

3. demographic snapshot：人口统计快照 - 描述某一特定时间的人口统计状况。

4. demographic breakdown：人口统计细分 - 将总人口按照不同的特征进行分类。

5. demographic shift：人口统计转变 - 描述人口统计数据发生的重大变化。

6. demographic profile：人口统计概况 - 描述某一特定地区或群体的整体人口统计状况。

7. population pyramid：人口金字塔 - 描述人口结构的一种方式，通常以年龄为横轴，人口数量为纵轴。

8. population density：人口密度 - 描述某一地区的人口数量与面积的比例。

9. demography：人口统计学 - 研究人口统计数据的学科。

10. birthrate：出生率 - 描述一定时期内出生人数与总人口的比率。

常用短语：

1. population demography

2. birth rate

3. death rate

4. fertility rate

5. population growth rate

6. population density

7. population pyramid

8. population migration

双语例句：

1. The population demographer studied the birth and death rates of the region. (人口统计学家研究该地区的出生率和死亡率。)

2. The population growth rate in this country is expected to decline over the next decade. (预计这个国家的人口增长率在未来十年将会下降。)

3. The population density varies from city to city, depending on the availability of resources. (人口密度因城市而异，取决于资源的可用性。)

4. The population pyramid of a country reflects its age structure and trends in fertility and mortality. (一个国家的的人口金字塔反映了其年龄结构以及生育和死亡趋势。)

5. Migration patterns have a significant impact on the demographics of a region. (移民模式对一个地区的人口统计数据有重大影响。)

6. The fertility rate among young women has been steadily decreasing in recent years. (近年来，年轻妇女的生育率一直在稳步下降。)

7. The demographics of the workforce are changing rapidly, with an increasing proportion of older workers and fewer young people entering the job market.

英文小作文：

The importance of demographics in understanding a country"s future trends cannot be overstated. Population growth, birth rates, death rates, fertility rates, and migration patterns all play a role in shaping the future of a country. Understanding these trends is essential for planning and strategizing for future development, as well as for addressing issues such as resource scarcity and environmental sustainability. As the workforce ages and the proportion of young people entering the job market continues to decline, it is even more important to pay attention to demographics and to develop policies that take into account these changing trends. In conclusion, demographics are an essential aspect of understanding a country"s future, and it is crucial to keep abreast of these trends to ensure that policies are formulated and implemented in a way that takes into account the changing needs of society.