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。

英语四级真题

It is more important to those with a longer lifespan.

A longer lifespan is changing the narrative structure of life itself.

Leonard Hayflick, a professor at the University of California, San Francisco, said the idea that aging can be cured implies the human lifespan can be increased, which some researchers suggest is possible.

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

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

英汉词典释义

n.

(人或动物的)寿命,预期生命期限

存在期;使用期;有效期

英英词典释义

Noun

1. the period during which something is functional (as between birth and death);