| 词汇 | life expectancy |
| 释义 | ˈlife expectancynoun [c,u] (plural life expectancies) the number of years that a person is likely to live 预期寿命life expectancysee ⇨ life 1 life ex·pec·tan·cy /ˌ· ·ˈ···/n [c,u]the length of time that someone is likely to live ［人的］预期寿命，平均寿命 |
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