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

• 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。
• 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。
• 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。
• Doing so will decrease the lifespan of the product rapidly.
  这样做会令产品的寿命快速下降。
• 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。
• New findings from Japan suggest a startling way to extend your lifespan – if you're a woman.
  来自日本的最新发现提出了一个让人吃惊的延长寿命的方法&变成女人。
• 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。
• 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。
• 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。