| 释义 |
magnesium oxiden.（名词）- A white, powdery compound, MgO, having a high melting point (2,800°C), used in high-temperature refractories, electrical insulation, food packaging, cosmetics, and pharmaceuticals.氧化镁：一种白色的粉状化合物，MgO，有很高的熔点(2,800°C)，用于耐高温材料、电绝缘材料、食品包装、化妆品和药品等
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