“mean duration of working life”概念、定义、翻译-科学时代

单词	mean duration of working life
释义	人口学词汇手册 mean duration of working life 平均工作年数
随便看	willow herb willow-leaf point Willow-Leaved Smartweed willow-leaved spiraea willow oak willow pattern willow product Willow Twig willowy will-philosophy will power will-power war will psychology will to believe will to live will to power will to power will to reality will to reproduce will training Willy Brandt willy-willy Wilmot Proviso Wilshire Theatre Wilson

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。