extrapolate

英 [ɪkˈstræpəleɪt]

美 [ɪkˈstræpəleɪt]

v.  推断; 推知; 外推

现在分词：extrapolating　过去分词：extrapolated　过去式：extrapolated　第三人称单数：extrapolates　复数：extrapolates　

GRETEM8

BNC.15251 / COCA.14252

牛津词典

verb

• 推断；推知；外推
  to estimate sth or form an opinion about sth, using the facts that you have now and that are valid for one situation and supposing that they will be valid for the new one
  1. The figures were obtained by extrapolating from past trends.
     这些数据是从过去的趋势推断出来的。
  2. We have extrapolated these results from research done in other countries.
     我们从其他国家所作的研究中推断出这些结果。

柯林斯词典

• VERB 推断;推知
  If youextrapolate fromknown facts, you use them as a basis for general statements about a situation or about what is likely to happen in the future.
  1. Extrapolating from his American findings, he reckons about 80% of these deaths might be attributed to smoking...
     根据他在美国的调查结果推断，他估计这些人中约有80％可能死于吸烟。
  2. It is unhelpful to extrapolate general trends from one case.
     根据一个案例来推断总的趋势是没有用的。

英英释义

verb

• gain knowledge of (an area not known or experienced) by extrapolating
• estimate the value of
  Synonym:interpolate
• draw from specific cases for more general cases
  Synonym:generalizegeneraliseinfer

双语例句

• It then used this to extrapolate back the origins of language to Africa.
  由此推断出语言的发源地为非洲。
• This work also offers a reminder: If you just extrapolate from the recent past to predict the economic future, you are likely to be wrong.
  这项研究还提醒我们：如果你仅仅根据近期状况来预测未来经济走向，你的预测很可能是错的。
• The answer is yes, but on conditions that seem increasingly implausible if we extrapolate current policies.
  答案是肯定的，但有一些前提条件。如果我们延续当前的政策，这些前提条件似乎越来越无法成立。
• It is no longer necessary to extrapolate from a small sample of data; now it is possible to analyse an entire dataset.
  今后再没有必要只根据小范围的数据样本进行推断了；现在已有可能做到分析整个数据集。
• You can't extrapolate from Shanghai or Beijing.
  你不能根据上海或北京的情况进行推断。
• Their stock price, if you extrapolate that out for today, the point is about here after splits.
  如果我们估计他们现在股票的价格，差不多到这里。
• We do not know the exact figure for forest damage, but we can extrapolate from the sample surveys.
  我们不知道森林破坏的精确数字，但是我们可以从抽样的测量来推算。
• I want you to extrapolate his path.
  我要你推断他的路径。
• The number needed to treat ( NNT) was used to extrapolate the trials for an individual patient.
  需治数（NNT）是用来以一个患者评价试验。
• But it would be ahistoric to extrapolate and assume with any high degree of confidence that China will enjoy such extraordinary growth rates over the long term.
  但是，带着高度信心来推断和假设中国将长期享受这种超常增长速度，就是脱离历史语境了。