“copper etching”概念、定义、翻译-科学时代

单词	copper etching
释义	出版印刷词汇手册 copper etching 铜版
随便看	dependency dependency dependency dependency dependency dependency dependency dependency allowance dependency benefit dependency burden dependency culture dependency culture dependency grammar dependency graph dependency inference dependency period dependency phonology dependency population dependency ratio dependency ratio dependency ratio dependency ratio dependency relation dependency theory dependency theory

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。