| 单词 | 铝土矿 |
| 释义 | 〔diaspore〕A white, pearly hydrous aluminum oxide, AlO(OH), found in bauxite, corundum, and dolomite and used as a refractory and abrasive.硬水铝石，硬水铝矿：一种白色具珍珠光泽的含水氧化铝，AIO（OH），可在铝土矿、刚玉和白云石中找到，用作耐火材料和磨蚀剂〔aluminum〕A silvery-white, ductile metallic element, the most abundant in the earth's crust but found only in combination, chiefly in bauxite. Having good conductive and thermal properties, it is used to form many hard, light, corrosion-resistant alloys. Atomic number 13; atomic weight 26.98; melting point 660.2°C; boiling point 2,467°C; specific gravity 2.69; valence 3. See table at element 铝：一种银白色韧性金属元素，在地壳中含量最多，但只出现在混合物主要是铝土矿中。由于有良好的导电导热特性而被用来制造多种硬而轻的抗蚀合金。原子序数13；原子量26.98；熔点660.2°C；沸点2,467°C；比重2.69；化合价3 参见 element〔alumina〕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〔Benton〕A city of central Arkansas southwest of Little Rock. There are bauxite deposits in the area. Population, 18,177.本托：美国阿肯色州中部，位于小石城西南。该地区产铝土矿。人口18,177〔bauxite〕The principal ore of aluminum, composed mainly of hydrous aluminum oxides and aluminum hydroxides.铝土矿：铝的基本矿石，由含水的氧化铝和氢氧化铝组成 |
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