lifespan是什么意思？

lifespan

英[ˈlaɪfspæn] 美[ˈlaɪfspæn]

• n. （人或动物的）寿命，存在期，使用期，有效期；

复数：lifespans;

例句

• the lifespan of a mouse 老鼠的预期寿命
• 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。
• They postulated a 500-year lifespan for a plastic container. 他们假定塑料容器的寿命为500年。
• Worms have a lifespan of a few months. 蠕虫的寿命为几个月。
• The average lifespan of the House Gecko is 5 to 10 years. 家中壁虎的生命基本上维持在五到十年. 那么你说的壁虎就是早恋咯?
• With the average lifespan, marriage and childbearing ages all continuing to rise. 鉴于平均寿命 、 适婚年龄、和生育年龄持续上升.
• A 15-year lifespan is not uncommon for a dog. 狗活15年并不少见。
• 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。
• 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。

柯林斯高阶英汉双解学习词典释义

• N-VAR
  （人、动植物的）寿命，预期生命期限
  The lifespan of a person, animal, or plant is the period of time for which they live or are normally expected to live.
  例句
  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。 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
  The lifespan of a product, organization, or idea is the period of time for which it is expected to work properly or to last.
  例句
  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。

英汉词典释义

• n.
  (人或动物的)寿命,预期生命期限
  the lifespan of a mouse 老鼠的预期寿命

英英词典释义

• Noun
  1. the period during which something is functional (as between birth and death);
  "the battery had a short life""he lived a long and happy life"