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

• Because there were so few work days in January, statisticians had to extrapolate to produce figures for the full month, but economists suspect that they may have overestimated industrial activity in the process.
  由于1月份工作日这么少，因此统计人员不得不推算得出全月的数据，但经济学家们怀疑，在此过程中他们可能过高估算了工业活动。
• 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。
• 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。
• Because we extrapolate from what has happened in the past to what will happen in the future. I have lost you I can see.
  因为我们从过去发生的事情推断，将来会发生的事，我觉得你们有点晕了。
• To determine the human dose-response curve, one must extrapolate down from the high-dose laboratory data.
  要确定人类的剂量反应曲线，就必须从高剂量的实验室数据进行外推。
• 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。
• 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。
• You observe that nature had been like this for all the time before and then you extrapolate in the future and think it will be like that every time in the future.
  你观察到自然一直都这样，然后你推断将来，认为这在将来每时每刻都会一样。
• We can only extrapolate from their remains.
  我们只能从恐龙化石中做出推测。