您要查找的是不是：
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- What color is copper sulphate solution? 硫酸铜溶液是什么颜色？
- Copper and gold are both metals. 铜和金都是金属。
- Copper has less resistance than lead. 铜的电阻比铅的小。
- What color is copper sulfate solution? 硫酸铜溶液是什么颜色？
- A copper coin formerly used in India and Pakistan. 安那旧时在印度和巴基斯坦使用的铜币
- Ornamental copper pans hung on the wall. 墙上挂着装饰性的铜盘。
- This mountain road leads to the copper mine. 这条山路通向那个铜矿。
- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- We fuse copper and tin to make bronze. 我们把铜和锡熔制成青铜。
- They will mine copper there in the valley. 他们将在那边的山谷开采铜矿。
- Brass is formed by the fusion of copper and zinc. 黄铜是由铜和锌熔合制成的。
- Copper conducts electricity better than iron does. 铜的导电性比铁强。
- Immerse it in a solution of peroxide and water. 将其浸入过徉氧化氢及水的溶液中。
- copper peroxide 过氧化铜
- To bleach(hair)with hydrogen peroxide. 用过氧化氢漂白（头发）
- To bleach(hair) with hydrogen peroxide. 用过氧化氢漂白（头发）
- A large cooking pot made of copper or often of iron. 金属锅用铜或铁铸成的大煮锅。
- Benzoyl peroxide(BPO) was used as initiator. 通过傅立叶红外光谱对接枝物进行定性表征;
- Purposes：Used for manufacturing hydrogen peroxide. 用途：作为双氧水生产载体。
