| 例句 |
The miners had streaks of coal dust on their faces.矿工们脸上有一道道的煤粉印。The air was black with diesel fumes and coal dust.空气中充斥着黑乎乎的柴油烟和煤灰。The air is so black with diesel fumes and coal dust, I can barely see.空气中充斥着柴油烟雾和煤尘粉末，黑乎乎的，我几乎什么都看不见。These men had spent their lives breathing coal dust.这些人一辈子呼吸着煤尘。Matthew scrubbed the coal dust from his face.马修擦掉了脸上的煤灰。 |