例文・使い方で印象づける「isotope」の覚え方

... because it contains anunknown isotope...   
Various 「Astounding Stories of Super-Science, October, 1930」

... Professor? The unknown isotope inthat black gas of yours—you are disposed to give us the chemicalformula?"...   
Various 「Astounding Stories of Super-Science, October, 1930」

「isotope」の意味・発音

いろいろなフォントで見る「isotope」

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