corrode

1. V-T/V-I If metal or stone corrodes, or is corroded, it is gradually destroyed by a chemical or by rust. 腐蚀

He has devised a process for making gold wires which neither corrode nor oxidize. 他发明了一种制造程序，使金线既不会腐蚀也不会氧化。

Engineers found the structure had been corroded by moisture. 工程师们发现这个构件已经被湿气腐蚀了。

2. corrodedADJ 被腐蚀了的

The investigators found that the underground pipes were badly corroded. 调查人员发现地下管道已是严重腐蚀的。