“石炭纪”概念、定义、翻译-科学时代

单词	石炭纪
释义	矿业工程技术词汇手册石炭纪 Carboniferous period
随便看	assignment of title assignment operator assignment problem assignment problem assignment psychotherapy assignment question paper assignment report assignment sheet assignment statement assignment status assignment therapy assign missile radar assignor assignor assignor assignor assignor assignor assign-study-recite formula assign … to assimilable assimilate assimilation assimilation assimilation

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。