iron pyrites

同根派生

英汉例句

用作名词 (n.)

• This paper deals firstly with the distribution of pyrites in coals.
  首先揭示了煤中黄铁矿的分布赋存规律。
• It's a new-geochemical method,which gold deposits are surveyed with pyrites.
  利用黄铁矿进行找金是一种新的地球化学找矿方法。
• Iron ore has been discovered in the area.
  这地区发现了铁矿。
• Coal seams intermixed with iron ore.
  煤层和铁矿混杂在一起。