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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.In 1902 he went to work as a patent office examiner in Bern.1902年他到伯恩当上了专利局的鉴定员.You're a new arrival, not too familiar with Bern....
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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.You're a new arrival, not too familiar with Bern.你新来乍到, 对伯尔尼情况也不太熟悉.In 1902 he went to work as a patent office examiner in Bern.1...
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Bern的音标：Bern的英式发音音标为：[bə:n,bɛən]Bern的美式发音音标为：[bɚn, bɛrn]...