irone

例句：

1. 1. The old iron gateis covered in a thick layer of rust.
   那把旧铁门上覆盖着厚厚的一层锈。
2. 2. The car's engine wasrusted out after years of neglect.
   这辆车的引擎在多年忽视后已经生锈了。
3. 3. The metal surface is beginning to rustaway from the dampness.
   金属表面开始因潮湿而生锈剥落。