dusting on

• Ah , i see some dust on the road they are coming
  “啊，我看见大路上有点尘土啦他们来啦！
• Effect of cotton dust on pulmonary function among exposed workers
  棉尘对工人肺功能的影响
• The fruit trees should be crop - dusting on time
  果树应定期喷洒农药
• There is a fine layer of dust on the desk
  桌子上有一层薄薄的尘土。
• There is a fine layer of dust on the desk
  桌子上有一层薄薄的尘土
• Study of influence of coal dust on low - concentration gas explosion
  煤尘对低浓度瓦斯爆炸的影响研究
• There is a lot of dust on this table
  这张桌子上有很多灰尘。
• I must blow fairy dust on you first
  我必须先给你们吹口仙气
• There was half an inch of dust on the books before i cleaned them
  在我清理这些书前,有半英寸的灰尘积在上面
• Effects of fixed well cement dust on antioxidase in the exposed workers
  固井水泥粉尘对接触工人抗氧化酶的影响