更新时间:2024-11-25 16:01:19
Noun:- an expected time to live as calculated on the basis of statistical probabilities
life expectancy是什么意思 life expectancy在线翻译 life expectancy什么意思 life expectancy的意思 life expectancy的翻译 life expectancy的解释 life expectancy的发音 life expectancy的同义词