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

• 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。
• 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。
• 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。
• Their lifespans overlapped by six years.
  他们在世的时间有6年是交叉的。
• 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。
• 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。
• The previous two continuing resolutions, which had lifespans of two and three weeks respectively, were intended to allow the two sides enough time to hammer out a compromise for the rest of the year.
  前两个延续性决议分别为期2周和3周，目的是为双方提供足够的时间达成妥协，度过本财政年度剩余的几个月。
• 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。
• TESTING Experimental Research on the Lifespans of Dry Cutting Tool
  干切削刀具的耐用度试验研究