bauxite例句
        Aluminum is made from 
bauxite.
铝是从铝土矿中提炼出的.
The seven leading 
bauxite exporters formed the International 
Bauxite Association.
七个主要的铝矾土出口国组成国际铝矾土协会.
Industry: petroleum, diamonds, iron ore, phosphates, feldspar, 
bauxite, uranium, gold.
工业: 原油, 钻石, 铁矿, 磷酸盐, 长石矿, 铝氧石, 铀, 黄金.