noun🔗Share硒 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. "这家工厂在制造红色玻璃的过程中使用硒。elementsubstancematerialchemistryscienceChat with AIVocabulary GamePractice Reading
noun🔗Share硒原子 A single atom of this element."The scientist identified a single selenium atom using a powerful microscope. "科学家使用强大的显微镜识别出了一个单独的硒原子。elementchemistrymaterialsubstancescienceChat with AIVocabulary GamePractice Reading