英语词汇life expectancy怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

life expectancy noun

plural life expectancies

life expectancy

noun

plural life expectancies

Learner's definition of LIFE EXPECTANCY

: the average number of years that a person or animal can expect to live（人或动物的）预期寿命

[noncount]

improvements in diet that have resulted in greater life expectancy for many people使许多人更长寿的饮食改善

[count]

— often used figuratively常用作比喻

What is the life expectancy of a new computer? [=how long can a new computer be expected to last or be useful?]一台新电脑的使用寿命有多长？

单词	life expectancy
释义	life expectancy 1 ENTRIES FOUND: life expectancy (noun) life expectancy noun plural life expectancies life expectancy noun plural life expectancies Learner's definition of LIFE EXPECTANCY : the average number of years that a person or animal can expect to live（人或动物的）预期寿命 [noncount] improvements in diet that have resulted in greater life expectancy for many people使许多人更长寿的饮食改善 [count] calculating the life expectancies of different social groups计算不同社会群体的预期寿命 — often used figuratively常用作比喻 What is the life expectancy of a new computer? [=how long can a new computer be expected to last or be useful?]一台新电脑的使用寿命有多长？
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