The feathers shone chestnut colour and copper colour.

这对翅膀的羽毛呈栗色和铜色。

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Window and door openings in vertical walls are designed to resist flooding or allowing for easy replacement for new ones. Roofing is copper colour aluminium sheet.

垂直墙壁上开有窗和门，设计来抵御洪水，易于用新的替换。屋顶是铜色铝板。

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In several reactions a colour change indicates the formation of new products. For example, green copper carbonate reacts, when heated, to form black copper oxide and carbon dioxide gas.

在一些反应中颜色会发生变化，它表明产生了新的物质，例如，绿色的碳酸铜在加热时会分解为黑色的氧化铜和二氧化碳气体。

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Already the Turquoise Hill, where the colour of the soil first betrayed the presence of copper to prospectors decades ago, has vanished.

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The colour of the cross's pillar is achieved by the oxidisation of the copper, impregnated in resin and then bead-blasted to bring the copper to the surface.

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