ferrated

例句：

1. 1. The iron bars were ferrated by the rain.
   雨水使这些铁条变粗糙了。
2. 2. The old car was ferrated with rust.
   这辆旧车被锈蚀得很厉害。
3. 3. The metal surface was ferrated by the acid.
   金属表面被酸腐蚀了。