copper oxide

例句：

1. 1. Copper oxide is a common material used in electronics.
   铜氧化物是一种常见的电子学材料。
2. 2. The reaction of copper oxide with water produces hydrogen gas.
   铜氧化物与水的反应产生氢气。
3. 3. Copper oxide is a good catalyst for the oxidation of organic compounds.
   铜氧化物是有机化合物氧化的良好催化剂。