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- copper sulphur alloy 铜硫合金
- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- Sulphur can be used to make gunpowder. 硫磺可以用来制造火药。
- Sulphur was not identified as an element until1810. 1810年以前还没有认出硫是一种元素。
- An alloy of zinc and copper used as imitation gold. 铜锌合金作为仿金品使用的铜锌合金
- An alloy of copper, zinc, and tin, used in imitation gold jewelry. 金色铜一种由铜、锌和锡制成的合金，用于仿制黄金首饰
- 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。
- It's an alloy not readily drillable. 这是不易钻洞的合金。
- An alloy of copper with10 percent tin. 炮铜一种掺有10%25的锡的铜合金
- 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。
- We fuse copper and tin to make bronze. 我们把铜和锡熔制成青铜。
- This medicine smacks of sulphur. 这种药带有一点硫磺气味。
- A stable, corrosion-resistant zirconium alloy. 锆合金一种稳定而防腐蚀的锆合金
- They will mine copper there in the valley. 他们将在那边的山谷开采铜矿。
