tripling ['trɪplɪŋ]

例句:

• Or think of Daniel Powter, tripling the irritation factor.
  来自BBC
• Aduh: Linger , did you hear? The school's tripling internet prices!
  阿德: 玲儿, 你听到消息了 吗 ?学校要把网络费增至三倍!
  
• A rise in altitude of 2,000 meters equals a tripling in the increase of average temperatures.
  海拔每升高2000米,平均气温的增幅就要大两倍.
  
• Don't externalize whatever indecision or inner conflict you have by doubling ( or tripling ) up on majors.
  不要让你的优柔寡断或是内心的矛盾在选择专业上犯错误——选择两个专业.
  
• The two countries have committed themselves to tripling bilateral trade.
  来自VOA
• They are doubling and tripling and quadrupling.
  来自NEWYORKER