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

• 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。
• 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 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。
• 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。
• The amplitude and maximum of cyclic load are the most important effect factors on fatigue lifespan of rock.
  影响岩石疲劳寿命的主要因素是周期荷载的上限应力和幅值。
• 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。
• 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。
• 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。
• This greatly increases the lifespan of your applications because they continue to work with the latest devices.
  这极大地延长了应用程序的生存期，因为它们可以继续在最新设备上运行。
• The Bird's Nest, which implies the meaning of "hope," was designed with a long lifespan.
  鸟巢，和“希望”的含义相符，被设计为长期的使用寿命。