| 单词 | life expectancy |
| 释义 | (a) number of years that a person is likely to live, esp as statistically determined for insurance purposes 预期寿命（尤指人寿保险估计）: Women have a higher life expectancy than men. 女人比男人的预期寿命长. (b) length of time sth is likely to exist or function （某事物的）预期存在的期限: the life expectancy of the average car, the present government 一般汽车使用的、 现政府执政的预期年限. |
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