“permanent hardness”概念、定义、翻译-科学时代

单词	permanent hardness
释义	力学词汇手册 permanent hardness 永久硬度
随便看	ACT ACT actable actable ACT--ACT (advance corporation tax) ACT--ACT (advance corporation tax) ACT--ACT (Automated Confirmation Transaction Service) ACT--ACT（advance corporation tax） ACT--ACT（American Conservatory Theatre） ACT--ACT（antichymotrypsin） ACT (advance corporation tax) ACT (advance corporation tax) actaea Actaea act all over the place ACT (Amazon Cooperation Treaty) act announcer acta Sanctorum ACT (Automated Confirmation Transaction Service) act break act call act call bell act-centred situation ethics act change act curtain

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。