“polygeny”概念、定义、翻译-科学时代

单词	polygeny
释义	人口学词汇手册 polygeny 人种多元发生说；多元发生
随便看	summation of series summation rule summation sign summation tone summative summative evaluation summative evaluation summative test summer summer summer adonis summer annual summer assembly summer assignment summer band summer bed summer bud summer camp summer-convulsion summer-cough summer course summer course in spoken English summer cutting summer-diarrhoea summer drought

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。