英语语法分析

The company extrapolates its figures from data from ISPs and from an opt-in panel of about 2.5 million users.

根据ISP的数据和一块包括了大约250万用户的选择面板，Experian Hit wise公司推测出了大概的访问量。

So do you remember here that the premise point to a sample of population and the conclusion extrapolates to the rest of the population.

你们记得这里前提，指的是一个人群样本，结论假设了其他人群。

He profiles soil samples from the past 200 years and extrapolates concentrations of heavy metals and foreign substances into a future without industrial inputs.

他研究了过去200年间的泥土样本并预测，重金属和杂质的集聚物会留到没有工业投入的未来。