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

• TESTING Experimental Research on the Lifespans of Dry Cutting Tool
  干切削刀具的耐用度试验研究
• 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。
• Waters prefers a physiological explanation for small dogs'longer lifespans.
  沃特斯倾向于从生理学方面解释小老鼠长寿的原因。
• 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。
• 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。
• 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。
• The lifespans of these enterprises in the crack are usually relatively short, but because of the need of the government, the new company replaces replaced the old company withers away or ceases to exist except in name.
  这些处于夹缝中的企业的生命周期通常较短，但由于政府的需要，老公司消亡或名存实亡之后新公司又取而代之。
• The data tell an important story: as lifespans expand and retirement benefits shrink, growing numbers are entering, or refusing to leave, workplaces gradually changing their perception of the ideal worker.
  数据说明了一个重要的现实：随着人类寿命的延长和退休福利的缩水，越来越多的人正在进入或拒绝离开职场，逐渐地改变着他们对理想员工的理解。
• It highlights how institutions such as the ECB have not been able to escape the pressures created by longer lifespans and poor financial market returns.
  这突出表明：欧洲央行等机构未能逃脱寿命延长和金融市场回报低迷带来的压力。
• 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。