"they tracked him back toward the head of the stream"
例句
用作名词(n.)
In this paper,thte discrete equations of some kinds of the experimental boundary conditions are set up by using the appending fountainhead item method.本文采用附加源项法建立了实验过程几类边界条件的离散方程。
The ontology value base of the higher education should be the existence of the human being, thus can relalize the fountainhead return of the value of the higher education.人的生存为我们追寻高等教育本体价值提供了根本性依据，高等教育也只有立足于人之生存，才能实现其价值的本源性回归。
