“maternal mortality”概念、定义、翻译-科学时代

单词	maternal mortality
释义	人口学词汇手册 maternal mortality 孕产妇死亡率
随便看	ammonium soap ammonium sulfate ammonium sulfate ammonium sulfate nitrate ammonium sulfate nitrate ammonium sulfate phosphate ammonium sulphate conversion ammonium sulphate phosphate ammonium sulphate phosphate complex fertilizer ammonium sulphate phosphate potash fertilizer ammonium superphosphate fertilizer ammonium trioxalatoferrate ammoniuria Ammonoidea ammonolysis ammonolysis ammonotelism ammonpulver Ammon's law Ammon's law ammophilous ammophos complex fertilizer ammopiptanthus ammo（plus，minus，zero） ammunition

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。