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

• 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。
• 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。
• 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。
• This field endeavors to promote health and wellness across an individual's entire lifespan.
  这个领域努力促进每个人一生的健康和福利。
• 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。
• A hydraulic clutch and self-adjusting mechanism eliminates the need for adjustments throughout the lifespan of the transmission.
  阿液压离合器和自动调节的机制消除了调整，在整个传输寿命的需要。
• Remedying that will take many years, far longer than technocrats'usual political lifespan.
  矫正这个会需要很多年，比技术官僚通常的政治生命要长得多。
• Data from animal studies also suggest that lower IGF-1 levels are associated with maximal lifespan.
  动物研究数据也表明，低水平的IGF-1与长寿具有相关性。
• 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。
• 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。