duster
名词 duster:
a windstorm that lifts up clouds of dust or sand
同义词:dust storm, sandstorm, sirocco
a loose coverall (coat or frock) reaching down to the ankles
同义词:gaberdine, gabardine, smock, dust coat
a piece of cloth used for dusting
同义词:dustcloth, dustrag
a pitch thrown deliberately close to the batter