在户外度过夏天后，他的皮肤变成了深古铜色。

After spending the summer outdoors, his skin turned a deep ___bronze.

这幅画捕捉了日落中琥珀色、古铜色和紫色的浓郁色调。

The painting captured the richly intense shades of amber, ___bronze, and purple in the sunset.

这枚旧硬币因多年氧化而呈现出暗淡的古铜色。

The old coin had a dull ___bronze color from years of oxidation.