单词 | sulfur |
释义 | sulfur [`sǝl·fǝr] CHEMISTRY A nonmetallic element in group VI, symbol S, atomic number 16, atomic weight 32.064, existing in a crystalline or amorphous form and in four stable isotopes; used as a chemical intermediate and fungicide, and in rubber vulcanization. MINERALOGY A yellow orthorhombic mineral occurring in crystals, masses, or layers, and existing in several allotropic forms; the native form of the element. |
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