silica [ˈsɪlɪkə]

例句:

• That's silica, an impurity, polished by drilling.
  来自NEWYORKER
• The commercial product however, containing silica and silicates, has a positive effect.
  然而含有硅石和硅酸盐的工业品都有肯定的效果.
  
• She says the FBI has vacillated on silica.
  来自SA
• The oxidation rates are fastest in freshly cleaned silica vessels.
  在新清洗的二氧化硅容器中,氧化速度是最快的.
  
• Frictional behavior is modified by colloidal silica or starch deposition.
  耐磨损性能可以通过在织物上沉淀胶状硅或淀粉一类物质而得到改善.
  
• To find this simply look for silica gel kitty litter crystals.
  来自SA