lifespan

英 [ˈlaɪfspæn]

美 [ˈlaɪfspæn]

n.  寿命; 可持续年限; 有效期

复数：lifespans　

BNC.2369 / COCA.15281

牛津词典

noun

• 寿命；可持续年限；有效期
  the length of time that sth is likely to live, continue or function
  1. Worms have a lifespan of a few months.
     蠕虫的寿命为几个月。

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。

英英释义

noun

• the period during which something is functional (as between birth and death)
  1. the battery had a short life
  2. he lived a long and happy life
  Synonym:lifelifetimelife-time

双语例句

• But, he said, new research could help extend our lifespan.
  但是，他说，新的研究可能会帮助我们延长寿命。
• An effective preventive maintenance plan for your UPS and batteries saves both time and money by preventing costly down-time and extending the useful lifespan of your equipment.
  一个有效的您的UPS和电池的预防性维修计划，从而节省了成本，防止停机时间和延长设备使用年限的时间和金钱。
• Scientists have discovered an ingredient in red wine that extends the lifespan.
  科学家研究发现，在红酒里含有一种成分能够延长人的寿命。
• They have already prolonged the healthy lifespan in both flies and mice by using drug treatments and a modified diet.
  他们通过药物治疗和改良后的饮食，已经延长了果蝇和老鼠的寿命。
• Doing so will decrease the lifespan of the product rapidly.
  这样做会令产品的寿命快速下降。
• The Bird's Nest, which implies the meaning of "hope," was designed with a long lifespan.
  鸟巢，和“希望”的含义相符，被设计为长期的使用寿命。
• The amplitude and maximum of cyclic load are the most important effect factors on fatigue lifespan of rock.
  影响岩石疲劳寿命的主要因素是周期荷载的上限应力和幅值。
• They said it was the longest lifespan extension achieved in any organism.
  他们声称，这是有机体寿命延长方面所取得的最高纪录。
• Experiments on animals have shown a strong link between lifespan and metabolic rate.
  在动物身上做的实验已经证明了寿命与代谢速率之间有紧密关系。
• It's a mystery as to exactly why lifespan is related to where you live, she said.
  她说，具体为什么你所居住的地方和你的寿命有关仍是一个谜。