The rust is not so natural, and the colour of gold gilding questionable, which can be confirmed by seeing the real thing.

铁锈色浅薄锈蚀磨损不甚自然，鎏金色泽和附着也有点疑问。这点得看实物才能进一步确定。

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A thin layer of gold or something simulating gold that is applied in gilding.

镀金，包金一层薄的涂金层或其适用于镀金的仿金物。

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By using commercial copper foil and gold gluing oil, the sample of copper gilding was prepared with traditional gilding techniques.

用市售铜箔和金胶，采用传统贴金工艺制备贴铜样品。

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It's hoped that this deluxe version, with its gold leather, gold gilding and gold plated corners will attract corporate buyers and wealthy individuals.

CNN: Sizing up the Earth

It is part of the story--bitter lore to today's frame lovers--that many of the finest and most valuable frames were systematically rounded up to recover the gold content of their gilding.

FORBES: Features