flavicid

例句：

1. 1. The old iron fence has developed a beautiful rustic charm.
   那根旧铁栅栏已经发展出了一种美丽的乡村魅力。
2. 2. The car was covered in rust and looked like it had been sitting for years.
   这辆车被锈覆盖，看起来已经有好几年没开过了。
3. 3. The rusty nails on the wall were evidence of neglect.
   墙上生锈的钉子是忽视的证据。