life expectancy

英 [ˈlaɪf ɪkspektənsi]

美 [ˈlaɪf ɪkspektənsi]

n.  预期寿命; 预计存在(或持续)的期限

计算机化学

Collins.1

牛津词典

noun

• 预期寿命；预计存在（或持续）的期限
  the number of years that a person is likely to live; the length of time that sth is likely to exist or continue for

柯林斯词典

• N-UNCOUNT 预期寿命；平均（期望）寿命
  Thelife expectancyof a person, animal, or plant is the length of time that they are normally likely to live.
  1. The average life expectancy was 40...
     平均期望寿命曾是40岁。
  2. They had longer life expectancies than their parents.
     他们比上一辈人的预期寿命要长。

英英释义

noun

• an expected time to live as calculated on the basis of statistical probabilities

双语例句

• This is rare and usually only suggested for patients with a life expectancy of less than two years.
  这是罕见的，通常只建议患者的预期寿命不到两年的时间。
• However, there is evidence that medical and surgical intervention can increase life expectancy and improve quality of life.
  然而，有证据表明内科和外科的治疗干预能延长病人的生命和改善病人的生活质量。
• A new study shows a relationship between fast walking and life expectancy.
  一项新的研究显示了快步走和长寿之间的关系。
• The differences in life expectancy free of CVD were 7.8 and 8.4 years, respectively.
  在有和无心血管疾病情况下，男性女性生命期望值分别相差7.8年和8.4年。
• It is the underlying cause of reduced life expectancy, handicap, disability and starvation.
  这也是导致平均寿命缩短，残废，残疾和饥饿的根本原因。
• The European Happy Planet Index used carbon efficiency, life satisfaction and life expectancy to rate the countries.
  此项“欧洲快乐星球指数”主要是综合碳效率、人民的生活满意度及预期寿命三个指标对这些国家进行评分。
• Average life expectancy went down from about 70 to 67.
  平均预期寿命从70岁左右降到了67岁。
• This is due in part to increased life expectancy.
  这部分原因是人的预期寿命增加了。
• This is due in part to medical discoveries which have greatly reduced infant mortality and extended life expectancy.
  这种增加的部分原因是医学方面的新发现大大减低了婴儿的死亡率和延长了寿命。
• In2007 the average life expectancy at birth was78 years.
  2007年，初生婴儿平均预期寿命为78岁，这种进步已经持续数十年。