“Roman Empire”概念、定义、翻译-科学时代

单词	Roman Empire
释义	历史学词汇手册 Roman Empire 罗马帝国（公元前27—公元476的罗马奴隶制国家）
随便看	variation variation variation variation variation variation variation variation variation variational variational calculus variational calculus variational equation variational form variational inequality variational linguistics variational method variational principle variational principle variational principle variational problem variational psychology variation centre variation chart variation coefficient

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。