1.  dust
2.  ash
3.  dirt

• 1. 灰尘: dust | dirt | pulverdust
• 2. 擦掉灰尘: wipe off the dust
• 3. 银色灰尘: SILVER ASH | Tribute to Radiohead

更多释义

• 1.空气由于灰尘弥漫而闷塞。
  The air was thick with dust.
  dict.yoduao.com
• 2.房间的角落里积满了灰尘。
  Dirt had collected in the corners of the room.
  dict.yoduao.com
• 3.她吹掉了书上的灰尘。
  She blew the dust off the book.
  dict.yoduao.com

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