Later on we will combine token sequences into parse trees.

稍后我们会将记号序列组合成解析树。

youdao

Treetop generates parse trees automatically but allows the user to customize the generated nodes by adding methods

Treetop会自动生成解析树，而且还允许用户添加方法来定制所生成的节点

youdao

Even the programs written in Scheme are merely lists that happen to also be parse trees, like the ones you played with previously.

甚至使用Scheme编写的程序也是解析树的列表，类似于前面所见的那些解析树列表。

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