| 词汇 | 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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