请输入您要查询的英文单词：

　

单词 life expectancy
释义

WordReference Random House Unabridged Dictionary of American English © 2024
life′ expect′ancy, 
  1. Developmental Biologythe probable number of years remaining in the life of an individual or class of persons determined statistically, affected by such factors as heredity, physical condition, nutrition, and occupation. Also called expectancy of life. 
  • 1930–35

Collins Concise English Dictionary © HarperCollins Publishers::
life expectancy n
  1. the statistically determined average number of years of life remaining after a specified age for a given group of individuals
随便看

　

英语词典包含188688条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

　

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间：2025/7/25 3:49:41