If you extrapolate from known facts, you use them as a basis for general statements about a situation or about what is likely to happen in the future.
例句
Extrapolating from his American findings, he reckons about 80% of these deaths might be attributed to smoking...根據他在美國的調查結果推斷，他估計這些人中約有80％可能死于吸煙。It is unhelpful to extrapolate general trends from one case.根據一個案例來推斷總的趨勢是沒有用的。
英漢詞典釋義
vt.
(由已知資料對未知事實或價值)推算,推斷
the process of extrapolating推斷的過程
英英詞典釋義
Verb
1. draw from specific cases for more general cases
2. estimate the value of
3. gain knowledge of (an area not known or experienced) by extrapolating