decreasing dust
英
美
- decreasing adj.递减的；减少的动词decrease的现在分词.
- dust n.灰尘；尘土；粉尘vt.去掉...的灰尘；撒粉末于vi.除尘
- The coolant helps to keep down dust and reduce the fire hazard.
冷却剂有功于降尘并减少火情。
- The fall of dust has obviously reduced since environmental protection departments determined to improve the environment.
环境部门加大力度改善环境，市区降尘量明显下降。
