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词汇 lifespan
释义 lifespan
noun[ C ]
uk /ˈlaɪf.spæn/ us /ˈlaɪf.spæn/
C2
the length of time for which a person, animal, or thing exists: 寿命;可持续年限,有效期
The average human lifespan in the developed countries has increased over the last hundred years.发达国家的人均寿命在过去的100年间延长了。
The project's lifespan is estimated at about five years.预计这项工程为期5年左右。
Synonyms
life(TIME ALIVE)
lifetime
See also
spannoun(TIME)
SMART Vocabulary: related words and phrases

Life and living
alive
animate
blue zone
borrow
breath
cheat
cheat deathidiom
cradle
draw breathphrase
immortal
last
last out
life course
life cycle
life expectancy
revenant
social calendar
social life
stay alive
subsist

lifespan | Business English


lifespan
noun[ C ]
uk /ˈlaɪfspæn/us
the length of time for which something exists or lasts:
It is battery operated and has a lifespan of two to three years.
over sth's lifespanWater entering the reservoir over its lifespan adds decaying plant matter.

Examples of lifespan


lifespan
Indeed, lifespan is strongly influenced by reproduction and associated stresses, for which genetic variation has been documented.
Seminal fluid transferred from males to females influences the egglaying and remating frequency of the female, in turn affecting the lifespan.
The government would be required to help persons live out a natural lifespan, with attention to quality of life.
The primary reason is the long civilization lifespan and short usage of radio technology.
At a practical level there are some encouraging results from attempts to extend the storage lifespan of some recalcitrant seeds.
The pre-treatment of cercariae led to a reduced lifespan compared to concurrently administered metal mixtures.
For the conceptualisation of expected gains in the second half of life, traditional lifespan theories can provide relevant notions.
Another has been a contention about the priority (and funding) to be given to research programmes that seek radical extensions of the human lifespan.
The authors draw attention to the fact that the number of individuals who experience a period of poverty during their lifespan is often underestimated.
He then follows the lifespan from childhood through adolescence and adulthood and finally to old age.
However, its lifespan in the atmosphere is just a few weeks.
Although automatic inferences are ubiquitous across the lifespan, there is a developmental trend toward increasingly explicit reasoning.
The long lifespan of the host must be coupled with the slow rate at which trematodes colonize snails.
Changes in the lifecourse that require adjustment may occur at any age, but some life transitions are more characteristic of later periods in the lifespan.
Until the creation there is nothing there to contemplate, and once they have been created they exist in their whole lifespan.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

Collocations withlifespan


lifespan

These are words often used in combination with lifespan.

Click on a collocation to see more examples of it.


average lifespan
A significant north-south gradient in the averagelifespan during the 17th to 20th centuries has also been revealed.
expected lifespan
A good incentive system, however, requires that the length of employment be an increasing function of the expected lifespan.
extended lifespan
However, none of the silenced genes extended lifespan more than did silencing genes of the insulin-signalling pathway, again demonstrating a critical role of this pathway in modulating longevity.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
See all collocations with lifespan
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