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单词 alumina
释义 alumina[ə'lu:minə]n. 矾土【化】 矾土; 氧化铝【医】 氧化铝 alumina  a.lu.mi.na  AHD:  […-l›“m…-n…] D.J.  [*6lu8m*n*]K.K.  [*6lum*n*]n.(名词)Any of several forms of aluminum oxide, Al2O 3, occurring naturally as corundum, in a hydrated form in bauxite, and with various impurities as ruby, sapphire, and emery, used in aluminum production and in abrasives, refractories, ceramics, and electrical insulation. Also called  aluminum oxide 矾土,氧化铝:一种氧化铝的形式,Al2O 3,以钢石的形式存在,水合形式存在于铝土矿中,杂有各种不纯物,如红宝石、蓝宝石、金刚砂,用于制造铝、研磨剂、耐火材料、瓷器和电子绝缘物 也作  aluminum oxide语源:1. New Latin al&9{¿mina} 现代拉丁语 al&9{¿mina} 2. from Latin al&9{¿men}  al&9{¿}min- [alum] 源自 拉丁语 al&9{¿men}  al&9{¿}min- [明矾]
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