“dictionary of word and phrase origins”概念、定义、翻译-科学时代

单词	dictionary of word and phrase origins
释义	教育学词汇手册 dictionary of word and phrase origins 典故词典
随便看	round round round round round roundabout roundabout roundabout method of production roundaboutness round about trade roundabout trade roundabout traffic roundabout transport round actor round angle round angle round arch round back sleeper round barrow round barrow round barrow cemetery round bed round billet round-billet wood round bone

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。