corrode

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

He has devised a process for making gold wires which neither corrode nor oxidize. 他發明了一種制造程序，使金線既不會腐蝕也不會氧化。

Engineers found the structure had been corroded by moisture. 工程師們發現這個搆件已經被溼氣腐蝕了。

2. corrodedADJ 被腐蝕了的

The investigators found that the underground pipes were badly corroded. 調查人員發現地下琯道已是嚴重腐蝕的。