Orel奥廖尔[苏联西部城市](在莫斯科之南)oren.矿石；矿ore resource矿产资源oreopithecusn.山猿ore district矿区ore roasting煅烧矿石ore property矿石性质ore locations出矿点Oreta eminensn.荚蒾山钩蛾ore annealing铁矿粉中退火ore prospects找矿前景ore prognosis成矿预测