n.

1. 打扫灰尘的人
2. 抹布；防尘外衣
3. 撒粉器；除尘器

n.

1. a cloth for dusting furniture.
2. (also duster coat or dustcoat) a woman's loose lightweight coat without buttons, of a style originally worn when travelling in an open car.
   ▸N. Amer. a short, light housecoat.