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

• 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。
• Other objects may have longer lifespans: for instance, they may live through an HTTP session or even the entire application.
  其他对象的寿命可能更长：例如，它们可能在一个HTTP会话甚至整个应用程序范围内存在。
• TESTING Experimental Research on the Lifespans of Dry Cutting Tool
  干切削刀具的耐用度试验研究
• 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。
• 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。
• 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。
• Not only were there many more active workers relative to pensioners, but average lifespans were considerably shorter than now.
  那时不仅在职人员远远多于退休人员，人们的平均寿命也比现在短得多。
• 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。
• 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。
• 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。