tresis

例句：

1. 1. The oldiron gate has developed a layer of ruston the surface.
   这把旧铁门表面已经长出了一层锈。
2. 2. The car's engine is suffering from corrosiondue to long-term use.
   这辆车的发动机由于长期使用而遭受腐蚀。
3. 3. Themetal object was exposed to air for toolong, resulting in rusting.
   这个金属物体暴露在空气中时间过长，导致生锈。