“过渡元素”概念、定义、翻译-科学时代

单词	过渡元素
释义	请查阅transition elements
随便看	Rif Rifkind，Malcolm rifle riflebird rifleman rift valley Riga Rigel right ascension Rights of Man and of the Citizen，Declaration of the right whale Rigi rigor mortis Rijeka Rijksmuseum Rijswijk，Treaty of Riley，Bridget Louise Rilke，Rainer Maria Rimbaud，Arthur Rimini Rimsky-Korsakov，Nikolai rinderpest ringhals ringlet ring ouzel

科学时代收录了46211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。