“maternal death rate during childbirth”概念、定义、翻译-科学时代

单词	maternal death rate during childbirth
释义	人口学词汇手册 maternal death rate during childbirth （分娩时）孕产妇死亡率
随便看	pitch angle pitch angle pitch angle pitch attitude pitch attitude acquisition pitch axis pitch bending pitchblende pitch-blende pitchblende pitch camp pitch circle pitch circumference pitch-class set pitch coal pitch coke pitch cone pitch cylinder pitch deformation angle pitch diameter pitch diameter pitched battle pitcher pitcher plant pitch factor

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。