approximation [əˌprɑ:ksɪˈmeɪʃn]

例句:

• He had coarsened his voice to an approximation of Cockney.
  他让自己的口音变得粗俗起来，接近伦敦东区的发音。
  
• That's just an approximation, you understand.
  你知道那仅仅是近似值。
  
• This is the nearest approximation of cost that they can give us.
  这是他们能够给我们的最接近的费用估价.
  
• It's a closer approximation than what was done previously.
  来自SA
• This diagram is a far closer approximation to what actually occurred.
  来自SA
• I have mentioned free will can still be a useful approximation.
  来自SA