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。
• 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。
• 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。
• 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 pumping also ensures sufficient lubricant on the shaft, reducing noise, and increasing lifespan.
  抽水也确保足够的润滑剂对轴，减少噪音，提高使用寿命。
• 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。
• 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。
• The innovative design, the superior quality, greatly reduces the installation cost, shortens the installation time and increase the lifespan of the system.
  新颖的设计，一流的质量。大大降低了安装成本，缩短了安装时间，增加了系统的使用寿命。
• History teaches us that every problem has a lifespan, No problem is permanent.
  历史教育我们，每个问题都有它的周期，没有问题是永久的。