ultrafine [ˌʌltrə'faɪn]

例句:

• Ultrafine zirconia powder was prepared by coprecipitation and spray - drying method.
  用共沉淀-喷雾干燥的方法制得了具有不同团聚性质的氧化锆粉料.
  
• It is precisely these ultrafine perceptions that activate the individual.
  正是这些精细的感知使个体活化的.
  
• This surely shows that the end surface is ultrafine without scratches.
  这无疑表明,该端面是超细无划痕.
  
• The primary purpose of this study was to determine the concentration of ultrafine particles emitted by laser printers.
  来自SA