trebling [t'reblɪŋ]

例句:

• The product received the DIA award of merit and impressed the company by trebling sales.
  这一产品获得DIA(澳大利亚设计学会)优秀成果奖并且使公司的销售量增长了三倍.
  
• A new threat to Bulgaria's stability is the week-old miners' strike for a trebling of minimum pay.
  为期一周的矿工罢工要求最低工资增加两倍，这对保加利亚的社会安定构成新的威胁。
  
• The trebling of the cap on tuition fees reversed the steady upward trend in numbers of people seeking a place at university.
  来自THETIMES