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- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- 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？
- An alloy of copper with10 percent tin. 炮铜一种掺有10%25的锡的铜合金
- 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。
- An alloy consisting of copper and nickle. 由铜和镍构成的一种合金。
- Copper alloy containing up to 4 % lead by weight. 铜合金里,铅的重量含量不超过4%25
- Brass is an alloy of zinc and copper. 黄铜是锌和铜组成的合金。
- Development of Copper and Copper Alloy Corrosion. 铜及缓蚀剂的发展。
- Any alloy whose principal component is copper. 主要成分是铜的合金。
- He knew brass is an alloy of copper and zinc. 史蒂夫在课上学会了很多。
- Copper handle with zinc alloy needle wheel. 铜镀铬手柄，锌合金轮针触觉。
- An ancient Roman coin of copper or copper alloy. 阿斯古罗马一种铜硬币或铜。
- 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
- A coin, usually of small denomination, made of copper or a copper alloy. 铜币用铜或铜的合金制成的硬币，通常为小面值
- Ornamental copper pans hung on the wall. 墙上挂着装饰性的铜盘。
