lifespans

英 [ˈlaɪfspænz]

美 [ˈlaɪfˌspænz]

n.  寿命; 可持续年限; 有效期
lifespan的复数

柯林斯词典

• N-VAR （人、动植物的）寿命，预期生命期限
  Thelifespanof a person, animal, or plant is the period of time for which they live or are normally expected to live.
  1. A 15-year lifespan is not uncommon for a dog...
     15年的寿命对狗而言是比较常见的。
  2. They have extended the potential life span of humanity everywhere.
     世界各地人类的预期寿命均有所延长。
• N-COUNT （产品等的）预期使用期限；（组织、想法等的）预期存在期限
  Thelifespanof a product, organization, or idea is the period of time for which it is expected to work properly or to last.
  1. Most boilers have a lifespan of 15 to 20 years.
     绝大多数锅炉有15至20年的使用期限。

双语例句

• Their lifespans overlapped by six years.
  他们在世的时间有6年是交叉的。
• Pollution in China is a human tragedy on a vast scale: it has been estimated that in some northern Chinese cities, lifespans have already been shortened by several years.
  中国的环境污染是一场大规模的悲剧：据估计，中国北方一些城市的人均寿命现已缩短了好几年。
• Experts from Bristol University found longer legs equal longer lifespans after examining skeletons.
  来自英国布里斯托尔大学的专家们发现，寿命与伸长成正比，腿越长寿命也越长。
• Thus, all elves are now mortal and have comparable lifespans that can extend as long as several thousand years.
  因此，所有的精灵现在均会衰老以及死亡，但依然拥有长达几千年的寿命。
• The researchers found clear and compelling evidence that happiness is key when it comes to better health and longer lifespans.
  研究人员发现清晰有力的证据，能证明快乐是健康和长寿的关键因素。
• Researchers found significant differences in both particle pollution of the air and life expectancy in the two regions, and said the results could be used to extrapolate the effects of such pollution on lifespans elsewhere in the world.
  研究人员发现，在南北两个地区，空气中颗粒物污染和人们的预期寿命都存在显著差异，而且研究结果可以用来推断在世界其他地方这种污染对寿命的影响。
• Their lifespans are usually shortened by systemic infection, and while bone marrow transplants can be used to treat the disease, they are not always successful.
  他们的生命经常由于全身性感染而缩短。骨髓移植可被用于治疗此类疾病，但是并不总是能够成功。
• Earlier this month, a study in mainland China found that poor air quality cut lifespans by more than five years.
  本月早些时候，中国内地一项研究发现，恶劣的空气质量导致人们减寿五年多。
• Healthier eating, longer lifespans and higher disposable incomes have helped to hold back the years.
  虽然健康的饮食、寿命的延长和较高的收入对于人们延缓衰老起到了一定的作用。
• Meanwhile, hospitals may be biased toward shorter lifespans, because they tend to admit the toughest cases, not healthy dogs.'It's not good data, but it gets you in the ballpark,'says Prof.
  另一方面，医院提供的狗寿命可能会比较短，因为医院遇到的多是健康状况糟糕的狗。