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

• Achieving these extended lifespans costs money. Not necessarily much, because healthy lifestyle is a more important contributor to longevity than medical treatment.
  实现寿命的延长要花钱。并不一定需要很多钱，因为就长寿而言，健康的生活方式比医疗保健更重要。
• Nonetheless, it is possible that getting more vitamin D from foods ( like fortified milk and oily fish) or supplements will help maintain youth and vitality as we enjoy longer lifespans.
  然而，在享有更长的寿命的同时，摄取更多的维生素D的食品（如强化牛奶和鱼油）或将有助于保持青春和活力。
• 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。
• Because of various using conditions, the same kind of heat conduction oil may have quite different lifespans.
  同一种导热油，由于使用条件不同，其寿命相差十分悬殊。
• 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。
• 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。
• 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。
• 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。
• 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。
• TESTING Experimental Research on the Lifespans of Dry Cutting Tool
  干切削刀具的耐用度试验研究