“沉井”概念、定义、翻译-科学时代

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。

单词	沉井
释义	环境科学与工程词汇手册沉井 cylinder
随便看	teacher's ethics teachers' guide book teacher's guide book Teacher's Law of the People's Republic of China teachers' manual teacher's mental healthy teacher's pet teachers school for nationalities teachers school of foreign languages teachers training school teacher strike teacher structure teacher-student conflict teacher supply and demand teacher talk teacher trainer teacher training teacher training teacher training class teacher training course teacher training institution teacher training project teacher training school teacher turnout teaching