copper dioxide

例句：

1. 1.Copper dioxide is a common material used in electronics.
   氧化铜是电子学中常用的一种材料。
2. 2. The copper dioxide reacts with water to form copper(II) hydroxide and oxygen gas.
   氧化铜与水反应生成氢氧化铜和氧气。
3. 3. Copper dioxide is commonly used as an anti-corrosive coating on metal surfaces.
   氧化铜常用于金属表面的防腐蚀涂层。