Question

approximation

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ap∙prox∙i∙ma∙tion / əˌprɑksəˈmeʃən ; əˌprɔksəˈmeɪʃən /
◙noun [C,U]
1. a number, amount etc that is not exact, but is almost correct
• 概算，近似值;
【SYN】 estimate
▪ [+of]
 »an approximation of the total
  大概的总数
 »a rough / crude approximation(=one that is not very exact)
  粗略的估算
 »Could you give us a rough approximation of the cost?
  你能给我们粗略估算一下成本有多少吗？
 »a good / close / reasonable approximation
  相当接近的/接近的/合理的估算
2. something that is similar to another thing, but not exactly the same
• 类似事物:
▪ [+of / to]
 »It was thenearest approximationto a crisis she'd ever experienced.
  在她的经历中，这差不多就是一场危机。