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- His face and hands were covered with coal dust. 他的臉和雙手沾滿了一層煤灰。
- His face and hands were covered with grime from the coal dust. 他的臉和雙手沾滿了一層煤灰。
- 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. 兩隻小狗狗，坐在火爐旁，靠在圍欄上；一隻小狗說，你老是沉默，只好聽著我。
- A block of compressed coal dust, charcoal, or sawdust and wood chips, used for fuel and kindling. 煤磚，炭磚把煤灰，木炭或鋸木灰和木片壓縮製成的磚塊狀物，用作燃料和點火
- His face and hands were coverd with grime from the coal dust. 他的臉和雙手都沾滿了煤灰和污垢。
- 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. 兩隻小狗狗,坐在火爐旁,靠在圍欄上;一隻小狗說,你老是沉默,只好聽著我。
- 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. 兩隻小狗狗，坐在火爐旁，靠在圍欄上；一隻小狗說，你老是沉默，只好聽著我。
- He became ill after breathing in a lot of coal dust. 他吸入大量的煤灰之後病了。
- The modern city consists of monstrous edifices and of dark narrow streets full of petrol fumes, coal dust, and toxic gases. 現代城市是由大得怕人的大廈和充斥著難聞的汽油味，煤灰和有毒氣體和又陰暗又狹窄的街道所組成。
- The main factors which affect the path of pulverized wood dust firing in steam boiler or hot-oil boiler are described. 分析了鍋爐或熱油爐中，影響砂光粉噴燃火焰運動軌跡的主要因素；
- 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 . 他的臉和雙手沾滿了一層煤灰。
- Coal worker's pneumoconiosis results from inhalation of coal dust. 煤炭工人的煤塵肺是由吸入煤礦粉塵引起。
- He carried out trial runs using rockets stuffed with coal dust. 他用填滿煤粉的火箭式煙火裝置來進行試驗。
- The equations for calculating the path of pulverized wood dust firing are deduced on the basis of temperature differential efflux theory of fluid mechanics. 運用流體力學的溫差射流理論，推導了無旋流片圓截面噴管噴燃火焰的運動軌跡方程。
- Waste from anthracite coal mines,consisting of fine coal,coal dust,and dirt. 無煙煤廢渣無煙煤煤礦的廢棄物，由細粒無煙煤、煤塵和塵土構成
- Waste from anthracite coal mines, consisting of fine coal, coal dust, and dirt. 無煙煤廢渣無煙煤煤礦的廢棄物，由細粒無煙煤、煤塵和塵土構成
- He moved the coal cakes away, and there was only coal dust left on the floor. 他把煤餅搬走了，地下只剩下一層煤末。
- It took me a whole afternoon to make this coal dust into coal cakes. 我用了一下午的時間把煤末做成了這些煤餅。
- A block of compressed coal dust,charcoal,or sawdust and wood chips,used for fuel and kindling. 煤磚，炭磚把煤灰，木炭或鋸木灰和木片壓縮製成的磚塊狀物，用作燃料和點火
