n.镍铁矿...

And neon - 21 was found in josephinite by the Bern researchers.伯尔尼的研究人员在镍铁矿中发现了氖 - 21....

josephinite的音标：josephinite的英式发音音标为：['dʒəʊzɪfɪnaɪt]josephinite的美式发音音标为：['dʒoʊzɪfɪnaɪt]...