“copper”概念、定义、翻译-科学时代

单词	copper
释义	食品科学词汇手册 copper 铜
随便看	converse law of double negation converse-negative proposition converse probability formula converse proposition converse statement converse terms converse theorem converse theorem converse twist conversion conversion conversion conversion conversion conversion conversion conversion conversion conversion conversion conversion conversion conversion conversion conversion

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。

copper