“炭笔”概念、定义、翻译-科学时代

单词	炭笔
释义	美术、书法与摄影词汇手册炭笔 charcoal; charcoal pencil; fusain
随便看	derived drive derived drive derived estimate derived function derived functor derived gene effect derived group derived lipid derived need derived need derived need derived protein derived protein derived quantity derived rule of inference derived rule of syntax derived savanna derived score derived score derived series derived set derived statistics derived structure derived syntactic category derived truth table

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。