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

• 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。
• Once the ovum is released it has a lifespan of 12 to 36 hours.
  卵子排出后可存活12至36小时。
• Even successful brand-celebrity relationships have a natural lifespan.
  即使品牌与名人之前建立起了成功的合作关系，这种关系也有其自然期限。
• Sara, you could have a lifespan of400 years, for all I know.
  莎拉，就我所知，你能活上四百年。
• We have strategies in place for protecting the effectiveness and lifespan of existing interventions.
  我们有办法来保护现有干预措施的有效性和使用期限。
• Mayflies have a very short lifespan.
  蜉蝣的生命期很短。
• Doing so will decrease the lifespan of the product rapidly.
  这样做会令产品的寿命快速下降。
• Unfortunately, the old taxi is reaching the end of its lifespan.
  不幸的是，这辆老出租车已经到达了年限。
• This is equivalent to losing half a month from each lifespan.
  这相当于每个人损失了半个月的寿命。
• This significant difference is certainly related to the average lifespan, income, culture, and climate.
  这个显著的差距无疑与人的平均寿命、受入、文化以及气候有关。