氧化镁

例句：

1. 1. Magnesium oxide is a common ingredient in paints and coatings.
   氧化镁是油漆和涂层中常见的成分。
2. 2. The chemical reaction between magnesium and oxygen produces magnesium oxide.
   镁与氧的反应产生氧化镁。
3. 3.Magnesium oxide is used as a catalyst in the production of steel.
   氧化镁用作生产钢铁的催化剂。