noun🔗ShareセレンA nonmetallic chemical element (symbol Se) with an atomic number of 34, used mainly in glassmaking and pigments and as a semiconductor."The factory uses selenium in the process of making red-colored glass. "その工場では、赤色のガラスを作る過程でセレンを使用しています。elementsubstancematerialchemistryscienceChat with AIVocabulary GamePractice Reading
noun🔗Shareこの元素の単一原子A single atom of this element."The scientist identified a single selenium atom using a powerful microscope. "科学者は強力な顕微鏡を使って、単一のセレン原子を特定しました。elementchemistrymaterialsubstancescienceChat with AIVocabulary GamePractice Reading
