“铁锈”怎么读

“铁锈”的英语可以翻译为：ust，corrosion ...

这些工具如长期不用会长铁锈而损坏.The tools will corrode with rust if never used.一层铁锈覆盖了钢板.A scale of rust covered the steel plate.“ 我爸爸那铁锈是从什么地方来的 呢 ?'Where does my father get all that iron rust from?...