1. a white crystalline oxide; used in refractories and in insulation and abrasives and enamels and glazes. 
   一种白色晶状的氧化物，用于耐火材料、绝缘材料、研磨剂、瓷釉、釉料中。
2. An extremely hard, highly refractive crystalline form of carbon that is usually colorless and is used as a gemstone and in abrasives, cutting tools, and other applications. 
   钻石一种极其坚硬，高折射率的结晶形状的碳素，常常近于无色，被当作宝石并用于研磨、切割工具以及其它用途上
3. An extremely hard mineral, aluminum oxide, Al2O3, sometimes containing iron, magnesia, or silica, that occurs in gem varieties such as ruby and sapphire and in a common black, brown, or blue form used chiefly in abrasives. 
   刚玉一种极为坚硬的矿物，氧化铝，al2o3，有时含铁、氧化镁或硅土，存在于各种宝石中，如红宝石、蓝宝石，并且在磨蚀剂中以普通的黑色、棕色或蓝色形式出现
4. Any of several forms of aluminum oxide, Al2O3, 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. 
   矾土，氧化铝一种氧化铝的形式，al2o3，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

查看更多例句 相关情景会话

• 1. 研磨材料
  abrasion tester 磨损试验机...abrasives 研磨材料...abrupt perturbation 突然扰动
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• 2. 研磨剂
  abrasiveness 磨损性...abrasives 研磨剂...abs resin abs 尸
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• 3. 砂轮片和砂纸
  包括刹车片和摩擦材料(friction)，砂轮片和砂纸(abrasives)，覆铜板(CCL)，...
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• 4. 研磨剤
  研磨 　 polishing...研磨剤 abrasives...研磨纸 abrasive paper
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