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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？
- Double agents live in a perpetual state of fear. 两面派永远过着提心吊胆的生活。
- 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。
- I booked my holiday through my local travel agent. 我是由本地的旅游代理人预先安排的度假事宜。
- What color is copper sulfate solution? 硫酸铜溶液是什么颜色？
- The tour is arranged by our local travel agent. 这个旅游团是由我们的本地旅游代理商组织安排的。
- 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。
- For further information, contact your local agent. 要进一步了解情况，请与本地代理商联系。
- This mountain road leads to the copper mine. 这条山路通向那个铜矿。
- They hired agents to conduct their affairs. 他们雇请代理人来处理他们的事务。
- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- FBI is on the look out for the agent these days. 这些天联邦调查局正在注意那个特工。
- We fuse copper and tin to make bronze. 我们把铜和锡熔制成青铜。
- The agent spoke on behalf of his principal. 代理人代表他的委托人说话。
- They will mine copper there in the valley. 他们将在那边的山谷开采铜矿。
- Agents have uncovered a plot against the President. 特工人员发现了一个反对总统的阴谋。
- Brass is formed by the fusion of copper and zinc. 黄铜是由铜和锌熔合制成的。
