“sex ratio”概念、定义、翻译-科学时代

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。

单词	sex ratio
释义	人类学词汇手册 sex ratio 性别比
随便看	special survey special suspense account special symbol special talent special talent special talent density special talent for leadership special talent for literature special talent for music special talent for painting special talent for science special tariff treatment special teacher special teaching aids special teaching method special teaching task special telephone special television special test facilities special theory of relativity special theory of relativity special tooling special trade special trade system special training

sex ratio