In the case of a tree, you cannot get each tree node as an object.
在树形结构中，您不能将每一个节点当做一个对象。
What did each tree hope to become?
每棵树都有什么样的愿望？
Do you see the green leaves of each tree in the fields?
你看到田野里每棵树上的绿叶了吗？
Each tree in the image visualises which nodes are crawled by each search engine.
每棵树展现了被每个搜索引擎爬过的所有节点。
Each tree in the image visualises which nodes are crawled by each search engine.
每棵树展现了被每个搜索引擎爬过的所有节点。
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