dreiling

例句：

1. 1.
   指
2. 2.
   指
3. 3.
   指
4. 1. The metal has started to show signs of rusting.
   这金属开始显示出生锈的迹象了。
5. 2. The iron door is rusted and needs to be replaced.
   那扇铁门已经生锈了，需要更换了。
6. 3. Corrosion can cause damage to the structure over time.
   腐蚀可以随着时间的推移对结构造成损害。