例文・使い方で印象づける「activation」の覚え方

..."Those lines you seeare ultra-violet, made visible to the eyeby activation of a radioactive compoundwhose rays in turn impinge ona zinc blende sheet...   
Various 「Astounding Stories of Super-Science April 1930」

「activation」の意味・発音

いろいろなフォントで見る「activation」

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