基础释义
例句
四级真题
柯林斯词典释义

福克斯词典 \ 英汉词典 \

lifespans是什么意思？

lifespans

n. （人或动物的）寿命( lifespan的名词复数 )，存在期，使用期，有效期；

例句

Healthier eating, longer lifespans and higher disposable incomes have helped to hold back the years. 虽然健康的饮食、命的延长和较高的收入对于人们延缓衰老起到了一定的作用.
They've been called Shorts , due to their small stature but also their brief lifespans. 根据他们矮小的身材和短暂的生命周期,他们被称为“矮人”.
Lifespans ranged from three years for the mice, to 23 or more for common backyard squirrels. 动物寿命从3年(老鼠)到23年甚至更多(普通的庭院松鼠).

查看更多关于 “lifespans” 的例句

英语四级真题

Current life structures, career paths, educational choices, and social norms are out of tune with the emerging reality of longer lifespans.
2019年6月四级真题（第一套）阅读 Section B

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。

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