coal dregs

 
  • 煤灰渣

coal dregs的用法和样例:

例句

  1. I am afraid it has dregs under the coal.
    就怕这底下是渣滓。
  2. We need to replenish our stocks of coal.
    我们需要再次补充煤的储备。
  3. She piled on more coal before the fire go out.
    在火熄灭之前她又加上些煤。
  4. I add the coal on the flame continuously.
    我不断朝火里添加煤炭。
  5. They are ventilating the sap of a coal mine.
    他们正在使煤矿坑道通风。
  6. Prohibition was laid on the export of coal.
    禁止煤炭输出。
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