Oreon.<美俚>(奉行白人社会准则的)“白心”黑人n.奥利奥奶油夹心巧克力饼干(商标名)
oren.矿石;矿
Oreta unichroman.一色山钩蛾
ore prospecting找矿
ore-searching找矿
ore blocked out划分矿体
Orestes complex杀母情结
Oreatine kinase肌酸激酶
ore preparation矿石准备
Oreta angularisn.角山钩蛾
ore loss factor矿石损失率
ore delineation矿体圈定