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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 beechn. 紫叶欧洲山毛榉
- 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。
- Beech turns easily in the lathe. 山毛榉在车床上很容易车制。
- 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。
- The woods were all of oak and beech. 树林里长的都是橡树和山毛榉树。
- Brass is formed by the fusion of copper and zinc. 黄铜是由铜和锌熔合制成的。
- Even those leafless beech trees would outlast him. 甚至那些光秃秃的山毛榉树也会比他活得长久。
- Copper conducts electricity better than iron does. 铜的导电性比铁强。
- New Zealand beech with usually pale silvery bark. 新西兰的假山毛榉属的一种植物,通常有银白色树皮。
- The small, three-angled nut of a beech tree. 山毛榉果实山毛榉树的呈三角形的小坚果
- The woods were all of oak and beech . 树林里长的都是橡树和山毛榉树。
