灰土 (huī tǔ) — dust, dirt, grime

定義

例文

• 房间里到处是灰土，该打扫了。
  Fáng jiān lǐ dào chù shì huī tǔ, gāi dǎ sǎo le.
  The room is covered in dust; it's time to clean.
• 风吹过，灰土扬得到处都是。
  Fēng chuī guò, huī tǔ yáng dé dào chù dōu shì.
  When the wind blew, dust flew everywhere.
• 他的衣服上沾满了灰土。
  Tā de yī fu shàng zhān mǎn le huī tǔ.
  His clothes were covered with dirt.