ferruginous roughleg

例句：

1. 1. The old car's paint is starting to show signs of ferruginous.
   这辆旧车的车漆开始出现铁锈的迹象。
2. 2. The rocks on the beach are ferruginous and can be slippery.
   海滩上的岩石是铁锈色的，可能会滑。
3. 3. The ironworks produced some of the most ferruginous weapons in history.
   这家铁工厂制造了一些历史上最铁锈色的武器装备。