| 单词 | 研磨剂 |
| 释义 | 〔tripoli〕A porous, lightweight, siliceous sedimentary rock composed of the shells of diatoms or radiolarians or of finely weathered chert, used as an abrasive and a polish.硅土：一种包含有硅藻土或砂藻土或已风化石粉末的黑硅土的脆而轻的硅沉积岩，用作研磨剂和抛光剂〔builder〕An abrasive or filler used in a soap or detergent.增清剂：肥皂或去污剂中用的研磨剂或填料〔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〔garnet〕Any of several common, widespread aluminum or calcium silicate minerals occurring in two internally isomorphic series, (Mg, Mn, Fe)3Al 2Si 3O 12 and Ca 3(Cr, Al, Fe) 2Si 3O 12, generally crystallized, often embedded in igneous and metamorphic rocks, and colored red, brown, black, green, yellow, or white and used both as gemstones and as abrasives. 石榴石：一种常见的、分布广泛的铝或硅酸钙矿，产生于两种内部同构的化合物，(Mg, Mn, Fe)3Al 2Si 3O 12 and Ca 3(Cr, Al, Fe) 2Si 3O 12，一般呈晶体状，嵌于火成岩和变质岩中，呈红、棕、黑、绿、黄色或白色，可用作珠宝和研磨剂 〔crocus〕A dark red powdered variety of iron oxide, Fe2O 3, used as an abrasive for polishing. 擦粉：一种深红色的氧化铁细粉，Fe2O 3，作为研磨剂用于抛光 |
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