quadrupling [kwɒ'dru:plɪŋ]

例句:

• They are doubling and tripling and quadrupling.
  来自NEWYORKER
• It is entirely possible to achieve the goal of quadrupling the gross annual value of industrial and agricultural production by the end of the century.
  在本世纪末实现工农业总产值增四倍的目标是完全可能的.
  
• Quadrupling the gross national product will be an achievement of great significance.
  翻两番的意义很大.
  
• Quadrupling the GNP will be a significant achievement in another way too.
  翻两番还有个重要意义,就是这是一个新的起点.
  
• Washington only saved the base by quadrupling the annual rent.
  来自VOA
• So what, exactly, is added by quadrupling the resolution?
  来自SA