“生化需氧量”概念、定义、翻译-科学时代

单词	生化需氧量
释义	化工词汇手册生化需氧量 BOD　（biochemical oxygen demand）
随便看	casual employee casual employment casual employment casual entertainment casualism casualization casualization casualization casual labor casual labour casual labourer casual leave casual model casual observer casual officer casual product class casual profit casual species casualties due to penetrating radiation casualty casualty casualty casualty agent casualty attack casualty evacuation

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。