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coal dust cloud 煤尘云
See that dust cloud disappear without a trace. 看到乌云消失得无影无踪。
The meteorite might have caused a huge dust cloud. 陨星可引起巨大的尘埃云。
His face and hands were covered with coal dust. 他的脸和双手沾满了一层煤灰。
His face and hands were covered with grime from the coal dust. 他的脸和双手沾满了一层煤灰。
A block of compressed coal dust, charcoal, or sawdust and wood chips, used for fuel and kindling. 煤砖，炭砖把煤灰，木炭或锯木灰和木片压缩制成的砖块状物，用作燃料和点火
His face and hands were coverd with grime from the coal dust. 他的脸和双手都沾满了煤灰和污垢。
Earth had encountered a dust cloud much as Mariner 4 had done years earlier. 地球遭遇了类似玛瑞纳4号早些年遭遇的尘埃云团。
He became ill after breathing in a lot of coal dust. 他吸入大量的煤灰之后病了。
The modern city consists of monstrous edifices and of dark narrow streets full of petrol fumes, coal dust, and toxic gases. 现代城市是由大得怕人的大厦和充斥着难闻的汽油味，煤灰和有毒气体和又阴暗又狭窄的街道所组成。
He became ill after breathing coal dust for many years. 他因多年吸入煤灰而生病了。
His face and hands were covered with grime from the coal dust . 他的脸和双手沾满了一层煤灰。
Coal worker's pneumoconiosis results from inhalation of coal dust. 煤炭工人的煤尘肺是由吸入煤矿粉尘引起。
He carried out trial runs using rockets stuffed with coal dust. 他用填满煤粉的火箭式烟火装置来进行试验。
Moments before sunset, a dust cloud settles slowly around tall saguaros after a violent windstorm in Sonora, Mexico. 在墨西哥索诺拉州一场风暴后的日落前瞬间,一团尘雾缓缓萦绕着高大的仙人掌树。
Landgraf believes this dust cloud could be an important signpost in the search for other planets and life. 但它们现在仍然聚在太阳系周边的事实说明，其正在以每秒钟50吨的速度得到替换，天文学家称，它们是不停地由行星、彗星以及小行星碰撞产生的太空灰尘得到替换的。
A dark, obscuring dust cloud, the simple, sculpted shape of the Cone Nebula is near the lower left edge. 黑暗、模糊的尘埃云，形状简单的锥形星云位于影像左下边缘附近。
The rotation of the original gas and dust cloud becomes the revolutions of the planets around the Sun and the rotation of the Sun itself. 气体尘埃云原先的转动,成了行星公转和太阳自转的原动力。
Waste from anthracite coal mines,consisting of fine coal,coal dust,and dirt. 无烟煤废渣无烟煤煤矿的废弃物，由细粒无烟煤、煤尘和尘土构成
Koong had taken over a lightstation in the dark dust cloud, and was purposely crashing ships in order to salvage the wrecks. 在那片昏暗的尘云里，孔占据了一座灯塔太空站。他故意使往来的飞船坠毁，从而回收它们的残骸。