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- 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。
- 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。
- 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
- 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
- He moved the coal cakes away, and there was only coal dust left on the floor. 他把煤饼搬走了，地下只剩下一层煤末。
- It took me a whole afternoon to make this coal dust into coal cakes. 我用了一下午的时间把煤末做成了这些煤饼。
- 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
- Two little dogs Sat by the fire Over a fender of coal dust;Sad one little dog,If you do not talk, why, I must. 两只小狗狗，坐在火炉旁，靠在围栏上；一只小狗说，你老是沉默，只好听着我。
- Two little dogs Sat by the fire Over a fender of coal dust; Sad one little dog, If you don't talk, why, I must. 两只小狗狗,坐在火炉旁,靠在围栏上;一只小狗说,你老是沉默,只好听着我。
- He was covered from head to toe in coal dust, like a miner coming up from the pit. 他从头到脚全是煤灰，就象一个矿工刚从坑道里出来一样。
- The explosion characteristics of pure coal dust and coal-methane mixtures were studied experimentally in this paper. 本文就此针对纯煤尘和煤尘-甲烷混合物的爆炸特性进行了实验研究。
- The coal dust is the main mold sand additive to prevent penetration/burn-in and improve the surface fineness. 煤粉是防止粘砂和改善表面光洁度的主要型砂加入物。
