“birth order fertility”概念、定义、翻译-科学时代

单词	birth order fertility
释义	人口学词汇手册 birth order fertility 产次生育率
随便看	underbead underbead crack underbeam underbed underbilling underbilling under blade underblanket underboarding underbody underboss under branch height under break underbridge underbrush under budgeting underburning underbust girth underbust line underbuy undercapacity under-capacity operation undercapacity operation undercapitalisation under-capitalization

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。