煤

• Pennsylvania sits on 35 billion tons of coal .
  宾州煤的蕴藏量为三百五十亿吨。
• Do you burn coal as well as wood on this fire ?
  你是不是用煤也用木头生这炉火？
• Have we got enough supplies of coal ?
  我们贮存的煤够用吗？
• When coal burns part of it is left as ash .
  煤燃烧时，一部分作为灰烬留了下来。
• We took turns stoking the furnaces .
  我们轮番给锅炉添煤。
• Will this coal last out the winter ?
  这点煤能够烧一冬吗？
• The clean coal is sent to a crusher and the boilers .
  干净的煤送入破碎机和锅炉。
• The coal must come out of the ground and be shipped .
  煤必得从地下掘起来装出去。
• Coal is one viable alternative .
  煤是一种可行的代用品。
• The mine had yielded a total of about 3714 tons of coal .
  这座矿已生产了3714吨煤。