“sex ratio”概念、定义、翻译-科学时代

单词	sex ratio
释义	人口学词汇手册 sex ratio 性别比，性比例
随便看	equatorial orbit equatorial orbit equatorial parallax equatorial plane equatorial plane equatorial plane equatorial plane equatorial plate equatorial plate equatorial prominence Equatorial race equatorial radius equatorial radius equatorial rain forest equatorial rainforest equatorial satellite equatorial satellite equatorial satellite equatorial sundial equatorial system equatorial tide equatorial trough equatorial undercurrent equatorial wave guide equatorial westerlies

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。