ferruginous

The old bridge had a ferruginous tint from years of exposure to rain.

用法提示：ferruginous 在此作形容词，描述‘铁锈色的’色调。

Geologists identified the ferruginous rock by its reddish-brown color.

用法提示：ferruginous 在此作形容词，表示‘含铁的’或‘铁锈色的’。

The artist mixed ferruginous pigments to achieve a warm rust tone.

用法提示：ferruginous 在此作形容词，修饰颜料，意为‘铁锈色的’。