“geological period”概念、定义、翻译-科学时代

单词	geological period
释义	民族学词汇手册 geological period 地质时期
随便看	copper engraving copper etching copper etching copper glance copper gluconate copperhead copper ion conductor copper laurate (soap) copper matte copper matte copper mordant copper naphthenate copper nickel copper nickel alloy copper orthosilicate copper oxide photocell copper phthalocyanine copper pipe copper plate copper plate copper plated steel copperplate engraving copperplate paper copper plate paper copperplate printing

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。