life span

简明释义

寿命

英英释义

例句

1.Certain species of turtles can have a life span 寿命 of over 100 years.

某些种类的海龟的寿命可以超过100年。

2.Researchers are studying factors that can extend the life span 寿命 of cells.

研究人员正在研究可以延长细胞寿命的因素。

3.The life span 寿命 of a houseplant varies depending on the care it receives.

室内植物的寿命因所接受的照顾而异。

4.The average human life span 寿命 has increased significantly over the past century.

过去一个世纪，平均人类的寿命显著增加。

5.A healthy diet can contribute to a longer life span 寿命.

健康的饮食有助于延长寿命。

作文

The concept of life span is fundamental to understanding the biological and social aspects of living beings. In biology, life span refers to the length of time for which an organism is expected to live under normal circumstances. This varies widely among different species; for instance, the life span of a mayfly is just a few hours, while that of a tortoise can exceed 150 years. Understanding the life span of various organisms helps scientists make predictions about population dynamics, ecosystem health, and conservation efforts.In addition to biological implications, the term life span also has significant social and economic connotations. As human beings, our life span is influenced by numerous factors, including genetics, lifestyle choices, environmental conditions, and access to healthcare. The average life span of humans has increased dramatically over the past century due to advancements in medicine, nutrition, and public health. However, disparities still exist based on geography, socioeconomic status, and education.The increase in life span has led to discussions about aging populations and their impact on society. Countries with higher average life spans face challenges such as increased healthcare costs, the need for elder care services, and the sustainability of pension systems. Societies must adapt to these changes, ensuring that older adults are supported and integrated into the community.Moreover, the notion of life span extends beyond mere survival; it encompasses the quality of life during those years. The concept of 'healthspan' has emerged, which refers to the period of life spent in good health, free from chronic diseases and disabilities. Enhancing healthspan is crucial for improving overall well-being and ensuring that individuals can enjoy their later years. This can be achieved through healthy lifestyle choices, regular physical activity, and preventive healthcare measures.In conclusion, the term life span is multifaceted, encompassing biological, social, and economic dimensions. As we continue to explore the factors that influence life span, it becomes increasingly important to focus not only on the quantity of years lived but also on the quality of those years. By promoting healthier lifestyles and addressing the needs of aging populations, we can work towards a future where individuals can thrive throughout their entire life span.

“寿命”这一概念对于理解生物和社会方面的生命体至关重要。在生物学中，寿命指的是一个生物在正常情况下预期生存的时间长度。这在不同物种之间差异很大；例如，蜉蝣的寿命只有几个小时，而乌龟的寿命可以超过150年。了解各种生物的寿命有助于科学家预测种群动态、生态系统健康和保护工作。除了生物学的含义外，寿命一词在社会和经济上也具有重要的含义。作为人类，我们的寿命受到多种因素的影响，包括遗传、生活方式选择、环境条件和医疗保健的可获得性。由于医学、营养和公共卫生的进步，人类的平均寿命在过去一个世纪中显著提高。然而，基于地理位置、社会经济地位和教育的差异仍然存在。寿命的增加引发了有关老龄化人口及其对社会影响的讨论。平均寿命较高的国家面临着诸如医疗成本增加、对老年护理服务的需求以及养老金制度的可持续性等挑战。社会必须适应这些变化，确保老年人得到支持并融入社区。此外，“寿命”的概念不仅仅是生存，它还包括在这些年中的生活质量。“健康寿命”的概念应运而生，指的是在良好健康状态下度过的生命阶段，远离慢性疾病和残疾。提高健康寿命对于改善整体幸福感至关重要，确保个人能够享受他们的晚年。这可以通过健康的生活方式选择、定期的身体活动和预防性医疗措施来实现。总之，寿命这一术语是多方面的，涵盖了生物、社会和经济维度。随着我们继续探索影响寿命的因素，越来越重要的是，不仅要关注生活的年数，还要关注这些年生活的质量。通过促进更健康的生活方式和解决老龄化人口的需求，我们可以朝着一个未来努力，使个人能够在整个寿命中茁壮成长。