“矾土”造句
金属沉淀物, 水垢,
矾土, 硅石, 肥皂泡, 氧化物, 锈迹.
Mineral deposits water spots , alumina, silica, soap scum, oxides , scale, rust.
铁矿 、
矾土 、 原油 、 煤、铝都是最高的.
Iron ore, alumina , crude petroleum, coal and aluminum top this list.
紧随其后是黄金, 来澳旅游的外国观光客, 石油, 天然气, 商务服务,
矾土和铝.
Close behind came gold, tourism by foreigners in Australia, oil, gas, business services, alumina and aluminium.