“指环星云”概念、定义、翻译-科学时代

单词	指环星云
释义	天文学词汇手册指环星云 Ring Nebula
随便看	Barebone's Parliament bare bus bar bare cable bare cargo bare charge bare charter bare contract bare contract bare contract bare contract bare contract bare drain bare fallow barefoot bread bare foot dance barefoot doctor bare hill bare homogeneous reactor bare hyperon bare infinitive bare karst bare land bare land Barel Case bare legal title

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。