英语语法分析

digraph

n. 合成符，单音双字母；连字

例句

We shall abbreviate the "directed graph" to digraph.

我们将把“有方向的图”简称为方向图。

We shall abbreviate "directed graph" to digraph.

我们将把“有方向的图”简称为方向图。

Line 1 declares your graph, called g, and its type (a digraph).

第一行声明这个图为g，并且声明了该图的类型(digraph)。