Trie树通常作为一种索引树，这种结构对于大小变化很大的关键字特别有用。利用Trie树实现一个英语单词辅助记忆系统，完成相应的建表和查表程序。-Trie trees usually as a tree, the structure on the index of the key word size change a lot is especially useful. Use Trie tree realize one English word memory system, complete au