“em rule”概念、定义、翻译-科学时代

单词	em rule
释义	出版印刷词汇手册 em rule 破折号
随便看	leach resistance lea count lea count constant lead lead lead lead lead lead lead lead lead lead lead lead lead lead lead lead lead lead lead lead lead accumulator lead-acid accumulator

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。