life expectancy

Word family adjectiveexpectableexpectantexpectativeexpectedadverbexpectablyexpectantlyexpectedlyexpectinglynounexpectanceexpectationexpecterexpectingverbexpect

ˌlife exˈpectancy noun [countableC]

1. LIFEthe length of time that a person or animal is expected to live 〔人或动物的〕预期寿命

2. LAST FOR A PERIOD OF TIMEthe length of time that something is expected to continue to work, be useful etc 〔某物的〕预期使用寿命

Examples from the Corpus

life expectancy• CDs have a life expectancy of at least 20 years.• The hutted wards, built more than 40 years ago with a life expectancy of 10 years are to be demolished.• For life expectancy, the picture was similar.• However, life expectancy on the Thames is still only four years compared with a natural figure of up to thirty years.• It is therefore crucial to include standardised mortality ratios alongside age weightings to correct for variations in life expectancy.• First, there have been substantial improvements in mortality over this century which are reflected in increased life expectancy.• Last week I decided to start running again, figuring maybe I could tack on a few hours to my life expectancy.• In fact, women at all ages spent proportionately more of their remaining life expectancy in residential care than men.

From Longman Business Dictionary

life expectancyˌlife exˈpectancy noun (plural life expectancies) [countableC]

1INSURANCE the age someone will probably live to, used by insurance companies when working out the risk of insuring them

Sixty-year-old men who still smoke have a life expectancy of less than 12 years.

2the average number of years that something such as an electrical product will last

单词	life expectancy
释义	life expectancy Word family adjectiveexpectableexpectantexpectativeexpectedadverbexpectablyexpectantlyexpectedlyexpectinglynounexpectanceexpectationexpecterexpectingverbexpect ˌlife exˈpectancy noun [countableC] 1. LIFEthe length of time that a person or animal is expected to live 〔人或动物的〕预期寿命 2. LAST FOR A PERIOD OF TIMEthe length of time that something is expected to continue to work, be useful etc 〔某物的〕预期使用寿命 Examples from the Corpus life expectancy• CDs have a life expectancy of at least 20 years.• The hutted wards, built more than 40 years ago with a life expectancy of 10 years are to be demolished.• For life expectancy, the picture was similar.• However, life expectancy on the Thames is still only four years compared with a natural figure of up to thirty years.• It is therefore crucial to include standardised mortality ratios alongside age weightings to correct for variations in life expectancy.• First, there have been substantial improvements in mortality over this century which are reflected in increased life expectancy.• Last week I decided to start running again, figuring maybe I could tack on a few hours to my life expectancy.• In fact, women at all ages spent proportionately more of their remaining life expectancy in residential care than men. From Longman Business Dictionary life expectancyˌlife exˈpectancy noun (plural life expectancies) [countableC] 1INSURANCE the age someone will probably live to, used by insurance companies when working out the risk of insuring them Sixty-year-old men who still smoke have a life expectancy of less than 12 years. 2the average number of years that something such as an electrical product will last
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