| 单词 | silicon dioxide |
| 释义 | silicon dioxide [`sil·ǝ·kǝn dī`äk´sīd] INORGANIC CHEMISTRY SiO2 Colorless, transparent crystals, soluble in molten alkalies and hydrofluoric acid; melts at 1710°C; used to make glass, ceramic products, abrasives, foundry molds, and concrete. |
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