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

• Researchers found "clear and compelling evidence" that happiness paves the way to better health and longer lifespans.
  研究人员通过实验得出一个简洁但极具说服力的证据，那就是快乐有助于健康，让人更长寿。
• 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。
• 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。
• 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。
• Their lifespans overlapped by six years.
  他们在世的时间有6年是交叉的。
• 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。
• 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。
• 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。
• 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。
• 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。