coal-dust

英['kəʊld'ʌst] 美['kəʊld'ʌst]
  • 煤尘
    1. Miners are finished extracting coal here, and the sides of the tunnel have been sprayed with quicklime to suppress explosive coal dust.
      矿工们已经完成了这里的煤炭开采,坑道两壁都喷上了生石灰以防止煤尘爆炸。