“刚石粉”概念、定义、翻译-科学时代

单词	刚石粉
释义	林业词汇手册刚石粉 emery
随便看	fief fief field field field field field field field Field field field field field field field field field field field field field field abandoned stocking field adjustment field agriculture

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。