corundum [kəˈrʌndəm]

例句:

• Used for corundum bricks, mullite bricks, silicate bricks masonry in blast furnaces, hot air stoves.
  用于高炉 、 热风炉砌筑刚玉砖、莫来石砖 、 硅线石砖 、 低蠕变高铝砖.
  
• It is considered that the deposit is an anatectic migmatite corundum deposit.
  研究认为,本矿床应属深熔型混合岩化作用成因,即“混合岩型”刚玉矿床.
  
• Synthetic Corundum is one of our strong products.
  合成刚玉是我们的一个强大的产品.
  
• In its pure form, corundum is pretty much clear.
  来自SA
• Some of these minerals may very well be our very own corundum, with its trace elements.
  来自SA
• This crystalline aluminum mineral is called corundum, and people have been wearing it with pride for thousands of years.
  来自SA