lifespan

简明释义

英[ˈlaɪfspæn]美[ˈlaɪfspæn]

n. （人或动物的）寿命；使用期，有效期

英英释义

单词用法

同义词

反义词

例句

1.Castles, palaces and cathedrals have a longer lifespan than the dwellings of ordinary people.

城堡、宫殿和大教堂的寿命比普通人的住所寿命要长。

2.However, the screens have a limited lifespan.

不过，这种荧屏的使用寿命有限。

3.The less time you spend sitting, the longer your lifespan.

你坐着的时间越短，你的受命则会越长。

4.That means a shorter，lifespan and heavier maintenance.

那意味着更短的使用寿命以及更加沉重的维修费用。

5.We try to stay fit and eat healthy to expand our lifespan.

我们努力保健，通过健康的饮食来延长寿命。

6.The lifespan for 87 percent of the species they studied varied as predicted by the MTE, so those that lived in colder temperatures had longer lifespans.

他们研究的物种中有87%的寿命与MTE预测的不同，因此那些生活在较低温度下的物种寿命更长。

7.The average human lifespan is around 80 years.

平均人类的寿命大约是80年。

8.Some species of turtles can have a lifespan exceeding 100 years.

某些种类的海龟的寿命可以超过100年。

9.Advancements in medicine are expected to increase the lifespan of future generations.

医学的进步预计将延长未来几代人的寿命。

10.Regular exercise can significantly improve your overall health and potentially extend your lifespan.

定期锻炼可以显著改善你的整体健康，并可能延长你的寿命。

11.The lifespan of a houseplant varies depending on the care it receives.

室内植物的寿命因所受照顾而异。

作文

The concept of lifespan is a fascinating subject that encompasses not only the duration of life but also the quality and experiences within that time. In biological terms, lifespan refers to the length of time an organism is expected to live, which can vary significantly across different species. For instance, while a housefly may have a lifespan of just a few weeks, a tortoise can live for over a century. This variation raises important questions about the factors that influence lifespan, including genetics, environment, and lifestyle choices. In human beings, the average lifespan has increased dramatically over the past century due to advancements in medicine, nutrition, and public health. In the early 1900s, the average lifespan was around 47 years, whereas today, it is approximately 79 years in many developed countries. This increase can be attributed to various factors such as improved healthcare access, better sanitation practices, and increased awareness of healthy living. However, merely extending the lifespan does not guarantee a higher quality of life. It is essential to consider the concept of 'healthspan,' which refers to the period during which an individual is generally healthy and free from serious diseases. Many people may live into their 80s or 90s, but if their later years are plagued by chronic illnesses or disabilities, the benefits of a longer lifespan can be diminished. Therefore, focusing on both lifespan and healthspan is crucial for enhancing overall well-being. Moreover, lifestyle choices play a significant role in determining one’s lifespan. Research shows that factors such as diet, exercise, and mental health can have profound effects on how long and how well we live. For example, a balanced diet rich in fruits, vegetables, and whole grains, combined with regular physical activity, can lead to a longer and healthier lifespan. Conversely, habits such as smoking, excessive alcohol consumption, and a sedentary lifestyle can shorten it. Environmental factors also contribute to lifespan. Individuals living in polluted areas or those exposed to harmful substances may experience a reduced lifespan compared to those in cleaner environments. Additionally, socioeconomic status can impact access to healthcare, nutritious food, and safe living conditions, all of which are critical for a longer lifespan. As we contemplate the future, the pursuit of a longer and healthier lifespan continues to be a significant area of research and discussion. Scientists are exploring various avenues, including genetic engineering, regenerative medicine, and lifestyle interventions to enhance both lifespan and healthspan. The goal is not just to add years to life but to add life to years, ensuring that individuals can enjoy their later years with vitality and purpose. In conclusion, the idea of lifespan is multifaceted, involving biological, environmental, and personal factors. As society progresses, it becomes increasingly important to focus not only on how long we live but also on the quality of those years. By making informed lifestyle choices and advocating for healthier environments, we can work towards maximizing both our lifespan and our healthspan, ultimately leading to a more fulfilling life experience.

“生命周期”这一概念是一个引人入胜的主题，它不仅涵盖了生命的持续时间，还包括在这一时间内的质量和经历。在生物学上，“生命周期”指的是一个生物体预期的生存时间，这在不同物种之间可能有显著差异。例如，家蝇的“生命周期”仅为几周，而乌龟则可以活超过一个世纪。这种差异引发了关于影响“生命周期”的因素的重要问题，包括遗传、环境和生活方式选择。 在人类中，平均“生命周期”在过去一个世纪里因医学、营养和公共卫生的进步而显著增加。在20世纪初，平均“生命周期”约为47岁，而如今，在许多发达国家，这一数字约为79岁。这一增长可以归因于各种因素，如医疗保健的改善、卫生实践的提升以及对健康生活的更高意识。 然而，仅仅延长“生命周期”并不保证生活质量的提高。考虑到“健康生命周期”的概念至关重要，这指的是个人通常健康且没有严重疾病的时期。许多人可能活到80或90岁，但如果他们的晚年受到慢性疾病或残疾的困扰，那么较长的“生命周期”的好处可能会减弱。因此，关注“生命周期”和健康生命周期的双重重要性对于提高整体福祉至关重要。 此外，生活方式选择在决定一个人的“生命周期”方面也发挥着重要作用。研究表明，饮食、锻炼和心理健康等因素对我们生活的长短和质量有深远的影响。例如，均衡的饮食富含水果、蔬菜和全谷物，加上定期的身体活动，可以导致更长和更健康的“生命周期”。相反，吸烟、过量饮酒和久坐的生活方式等习惯可能缩短它。 环境因素也会影响“生命周期”。生活在污染地区或接触有害物质的个体可能会经历较短的“生命周期”，与生活在更清洁环境中的人相比。此外，社会经济地位会影响医疗保健、营养食品和安全居住条件的获取，而这些对于更长的“生命周期”至关重要。 随着我们展望未来，追求更长和更健康的“生命周期”仍然是一个重要的研究和讨论领域。科学家们正在探索各种途径，包括基因工程、再生医学和生活方式干预，以增强“生命周期”和健康生命周期。目标不仅是为生命添加年数，而是为年数增添生命，确保个人能够充实而有意义地享受他们的晚年。 总之，“生命周期”的概念是多方面的，涉及生物、环境和个人因素。随着社会的发展，越来越重要的是关注我们生活的长短以及这些年数的质量。通过做出明智的生活方式选择和倡导更健康的环境，我们可以努力最大化我们的“生命周期”和健康生命周期，最终实现更充实的生活体验。