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- 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？
- copper monoxide 一氧化铜
- 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。
- As motor vehicles burn fuel, they give off carbon monoxide as a waste. 在汽车燃烧燃料时,产生废气一氧化碳。
- The heavy traffic tinctures the air with carbon monoxide. 繁忙的交通使空气里充满一氧化碳。
- CO is the formula for carbon monoxide. CO 是一氧化碳的分子式。
- The mineral form of lead monoxide,PbO. 天然一氧化铅一氧化铅(PbO)的矿物形式
- The mineral form of lead monoxide, PbO. 天然一氧化铅一氧化铅（pbo）的矿物形式
- White and blank, expansive as carbon monoxide. 白的和黑的，如一氧化碳般珍贵。
