age structure

age structure的音标是[eɪdʒ ˈstrʌktʃə]，基本翻译是年龄结构。速记技巧是使用元音字母e发音并将其与年龄相关的单词结构相结合来快速记忆单词。

英文单词“age structure”的词源可以追溯到拉丁语“age”和“structura”，意为“结构”或“构造”。其变化形式包括单数形式的“age structure”和复数形式的“ages structures”。

相关单词：

“aging”意为“老化”，来源于“age”和“ing”后缀，表示年龄的增长。

“youthful”意为“年轻的”，来源于“youth”和“ful”，表示年轻人的特征。

“senior”意为“年长的”，来源于“senior”和“ior”表示比较年长的。

“juvenile”意为“青少年的”，来源于“juvenile”和“ile”，表示未成年人的特征。

“middle-aged”意为“中年人”，来源于中古英语，表示处于中年阶段的年龄群体。

“geriatric”意为“老年人的”，来源于希腊语，表示关于老年人的医学或社会学领域。

“pre-adolescent”意为“青春期前”，来源于拉丁语，表示处于青春期之前的年龄群体。

“post-natal”意为“出生后的”，来源于拉丁语，表示出生后的时间阶段。

“geriatrician”意为“老年病学家”，来源于希腊语和拉丁语，表示专门研究老年医学的专家。

“aging population”意为“老龄人口”，直接由英文单词“aging”和“population”组成，表示老龄化的人口群体。

以上单词都与年龄结构有关，描述了不同年龄段的人群特征和相关的社会、医学问题。

常用短语：

1. young-old structure

2. elderly-dominated structure

3. peak age structure

4. age pyramid

5. generational structure

6. cohort structure

7. lifespan structure

例句：

1. The age structure of the population has undergone significant changes in recent decades.

2. The elderly population has become increasingly important in many countries, leading to changes in their age structure.

3. The company"s age structure is dominated by a group of long-serving employees.

4. The age pyramid of the workforce indicates a high proportion of youth and a low proportion of older workers.

5. The generational structure of the family has changed dramatically over the past few decades.

6. The cohort structure of the population is determined by the characteristics of the birth cohort, which includes factors such as birth rate and mortality rate.

7. The lifespan of individuals has increased dramatically over the past century, leading to changes in the lifespan structure of the population.

英文小作文：

Age Structure and Its Impact on Society

Age structure refers to the distribution of different age groups within a population or workforce. It plays an important role in determining social, economic, and cultural trends and outcomes. As people live longer and healthier lives, the age structure of society is constantly changing, leading to new challenges and opportunities for individuals, families, and communities.

In many countries, the elderly population has become an important segment of society, with an increasing emphasis on aging-friendly policies and services. At the same time, younger generations are facing greater pressure and challenges due to economic uncertainty and high cost of living, leading to concerns about generational inequality and social cohesion.

The age structure also affects the workforce, with different age groups having different skills, experience, and attitudes towards work. This can lead to mismatches between supply and demand, with some industries facing a shortage of skilled workers while others struggle to find suitable candidates.

In conclusion, age structure is an essential factor in understanding the trends and outcomes of society, with significant implications for individuals, families, and communities. It requires a comprehensive approach to address the challenges and opportunities presented by an aging population and changing workforce dynamics.