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。

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。

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

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。
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。
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。
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。
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。
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 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。
Mayflies have a very short lifespan.
蜉蝣的生命期很短。
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。