code: private static void removeFromWordNet(Vertex cur, WordNet wordNetAll, int line, int length)
      {
          LinkedList<Vertex>[] vertexes = wordNetAll.getVertexes();
          // 将其从wordNet中删除
          for (Vertex vertex : vertexes[line + length])
          {
              if (vertex.from == cur)
                  vertex.from = null;
          }
          ListIterator<Vertex> iterator = vertexes[line + length - cur.realWord.length()].listIterator();
          while (iterator.hasNext())
          {
              Vertex vertex = iterator.next();
              if (vertex == cur) iterator.remove();
          }
      }
docs: 将一个词语从词网中彻底抹除
  @param cur 词语
  @param wordNetAll 词网
  @param line 当前扫描的行数
  @param length 当前缓冲区的长度