“高龄老人”概念、定义、翻译-科学时代

单词	高龄老人
释义	人口学词汇手册高龄老人 old old，the
随便看	nitrate nitrate base nitrate ester plasticized polyether propellant nitrate ester plasticized polyether propellant（NEPP propellant） nitrate explosive nitrate in seawater nitrate plant nitrate poisoning nitrate reduction test nitrate respiration nitratine nitrating nitrating pot nitration nitrator nitrazepam nitre nitre nitrendipine nitrendipine nitric acid nitric acid nitric acid nitric acid absorption tower nitric acid bleacher

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。