动词 dust:

1. remove the dust from

2. rub the dust over a surface so as to blur the outlines of a shape

3. cover with a light dusting of a substance

4. distribute loosely

DUSTC差分酉空时码dustn.灰尘；尘土；粉尘vt.去掉 ... 的灰尘；撒粉末于vi.除尘dust cloakn.防尘外衣；罩衫dustcolourn.灰褐色duststorms沙尘暴dust proofadj.防尘的dust index粉尘指数dust light[医] 光尘, 光浑dust gauze滤尘网dustshowern.尘雨dust strom沙尘天气dust sheetn.防尘单；覆盖在物品上防灰尘的大单子

1. Mother is dusting the furniture.
   妈妈为家具除尘。
2. This paper analysed the dusting characteristic of a dry duster from metal meshes and provided main principles of structural and parametric design.
   本文分析了干式金属滤网除尘器的除尘性能，提出了结构型式及参数设计的主要原则。