名詞 duster:

1. a windstorm that lifts up clouds of dust or sand
   同義詞：dust storm, sandstorm, sirocco
2. a loose coverall (coat or frock) reaching down to the ankles
   同義詞：gaberdine, gabardine, smock, dust coat
3. a piece of cloth used for dusting
   同義詞：dustcloth, dustrag
4. a pitch thrown deliberately close to the batter

1. The maid did down the walls with a duster.
   女傭用撣帚由上而下地刷除四壁上的塵垢。
2. The girl went over the room quickly with a duster.
   女孩用撣帚很快地把房間清理了一下。
3. She went over the room with a duster.
   她用抹布把房間擦得乾乾凈凈。
4. That duster is very dirty.
   那個撣子很臟。

dust.er

n.（名詞）
One that dusts, especially:
除塵器：用于除塵的器具，尤指
A cloth or brush used to remove dust.
用來掃去塵土的布或刷子
A device for sifting or scattering a powdered substance.
噴粉機：用來篩或撒粉狀物質(zhì)的器具
A smock worn to protect one`s clothing from dust.
防塵衣：一種防塵保護衣服的罩衫
A woman`s loose dress-length housecoat.
寬松服：婦女用的寬松裙式外衣