demographer的音標為[?dem??gr??f?] ，基本翻譯為“人口統計學家，人口學者”，速記技巧為：人口統計學家關注的是人口數量、結構和分布。

Demographer的英文詞源是“de-”表示“下”，“-mographer”表示“寫作的人”，所以整體上就是“研究人口統計的人”。

變化形式：名詞形式為demographer，形容詞形式為demographic。

相關單詞：

1. demographic analysis：人口統計分析 - 分析人口統計數據。

2. demographic trend：人口統計趨勢 - 描述人口統計數據的變化趨勢。

3. demographic snapshot：人口統計快照 - 描述某一特定時間的人口統計狀況。

4. demographic breakdown：人口統計細分 - 將總人口按照不同的特征進行分類。

5. demographic shift：人口統計轉變 - 描述人口統計數據發生的重大變化。

6. demographic profile：人口統計概況 - 描述某一特定地區或群體的整體人口統計狀況。

7. population pyramid：人口金字塔 - 描述人口結構的一種方式，通常以年齡為橫軸，人口數量為縱軸。

8. population density：人口密度 - 描述某一地區的人口數量與面積的比例。

9. demography：人口統計學 - 研究人口統計數據的學科。

10. birthrate：出生率 - 描述一定時期內出生人數與總人口的比率。

常用短語：

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

雙語例句：

1. The population demographer studied the birth and death rates of the region. (人口統計學家研究該地區的出生率和死亡率。)

2. The population growth rate in this country is expected to decline over the next decade. (預計這個國家的人口增長率在未來十年將會下降。)

3. The population density varies from city to city, depending on the availability of resources. (人口密度因城市而異，取決于資源的可用性。)

4. The population pyramid of a country reflects its age structure and trends in fertility and mortality. (一個國家的的人口金字塔反映了其年齡結構以及生育和死亡趨勢。)

5. Migration patterns have a significant impact on the demographics of a region. (移民模式對一個地區的人口統計數據有重大影響。)

6. The fertility rate among young women has been steadily decreasing in recent years. (近年來，年輕婦女的生育率一直在穩步下降。)

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.