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- Gold electrodeposit as top coating of artificial jewelry made of copper and copper alloy tarnished because of copper diffusion to gold top deposit. 铜和铜合金饰品表面需镀金,由于铜扩散至镀金层表面,引起金层变色。
- 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？
- Fashion trends diffuse themselves rapidly around the globe. 时装新潮很快就在全世界流行起来。
- 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。
- 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。
- At times soils may diffuse into the fibers. 有时污垢甚至会渗入纤维内部。
- To diffuse or cause to diffuse by osmosis. （使）渗透通过渗透作用渗出或使渗出
- A diffuse, pear-shaped image of a point source. 基于一点呈散开的、梨状的一种表现形式
- A large cooking pot made of copper or often of iron. 金属锅用铜或铁铸成的大煮锅。
- copper diffuse 铜扩散
