“怀孕性别比”概念、定义、翻译-科学时代

单词	怀孕性别比
释义	人口学词汇手册怀孕性别比 sex ratio at conception
随便看	common peganum seed common pension common peony common perch common perennial gaillardia common perpendicular common pipe principle commonplace book common plane common platform common pleas common point common pointed common possession common pratia fruit common pricing common principal components analysis common proper-motion binary common proper-motion pair common proper-motion star common property common property common property common property common property

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。