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But there is nothing saying you cannot take magnesium and mix it with oxygen and make magnesium oxide.
同样的道理，如果将镁,与氧一起反应，就会得到氧化镁。
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Does it strike you odd that maybe magnesium oxide, one of its applications would be refractories?
因此我们就会发现，氧化铝一个很重要的应用，就是耐火砖？
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And magnesium oxide has a melting point of 2,800 degrees C.
氧化镁,熔点在2800摄氏度。
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