acra crimson

例句：

1. 1. The old iron gate is covered in a crimson layer of rust.
   那把旧铁门上覆盖着一层鲜红的锈迹。
2. 2. The car's body is covered with a crimson layer of rust.
   这辆车的车身上覆盖着一层鲜红的锈迹。
3. 3. The old iron gate looks like it has been rusting for years.
   那把旧铁门看起来已经生锈好多年了。