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the path between where things are today and commercialization for something that's a little more out of the box?Neptunium and americium and curium, et cetera.
Listen to native speakers pronounce “neptunium” in real conversational contexts with synchronized timestamps and subtitles.
A new metallic element, of doubtful genuineness and uncertain indentification, said to exist in certain minerals, as columbite. Hermann.
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