“preliminary purification”概念、定义、翻译-科学时代

单词	preliminary purification
释义	环境科学与工程词汇手册 preliminary purification 初步净化（水质）
随便看	enthralling story Enthronement of the Sacred Heart enthusiasm enthymeme enthymeme enthymeme entire bleach entire contract entire function entire leaf entire tenancy entirety entirety and unity entirety of the policy entire warfare Entisol entisol entitative concept entitle entitle entitled entitlement entitlement entitlement entitlement

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。