灰尘

例句

• huī灰chén尘hěn很duō多 。

  Lots of dust.

• cháng长shí时jiān间bù不dǎ打sǎo扫 ，zhuō桌shàng上jī积le了yì一céng层huī灰chén尘 。

  Without cleaning for a long time, a layer of dust has gathered on the table.

用法