dustband

例句：

1. 1. The car was covered in dust from the roadside.
   汽车被路边的尘土覆盖了。
2. 2.The old house had a dustband on the door to keep out the bugs.
   旧房子的门上有一个防尘带，用来防止虫子进入。
3. 3. The workers were busy cleaning up the dustbands left by the construction site.
   工人们忙着清理建筑工地留下的灰尘带。