anthracite [ˈænθrəˌsaɪt]

例句:

• Not until 1916 did the UMW finally win recognition from the anthracite operators.
  直到1916年,美国矿工联合会才终于得到无烟煤矿资方承认.
  
• The organic affinity of trace elements decreases further in anthracite.
  到无烟煤阶段,有机态微量元素含量进一步降低.
  
• Anthracite char has poor pore structure and small specific surface area.
  无烟煤焦分支孔贫乏,比表面积很小.
  
• Working in such a condensed way is what gives the anthracite such a high value, Mr Thomas said.
  来自BBC
• Neath MP Peter Hain said the area employed a lot of miners as its valleys and mountains are rich in anthracite.
  来自BBC