extrapolate
v[Tn, Tn.pr]
~ sth (from sth) (fml 文)
1 (mathematics 数) calculate (an unknown quantity) approximately from known values or measurements (从已知的值或量)推算出(未知的量); 外推.
2 estimate (sth unknown) from facts that are already known 由已知事实估计(未知事物); 推断; 推知
One can extrapolate the size of the building from the measurements of an average room.从一间屋子的量度可以推断出整座建筑物的大小.