Given the existence of the ancestor path, mapping the semantics is pretty simple.

给定祖先路径，该语义的映射很简单。

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This method tells you all information you need to know: whether one node is descendant of an ancestor of the other, whether it is before or after, and so on.

这个方法告诉您所有想知道的信息：一个节点是否是另一个节点的祖先的后代，它是在前面还是后面呢，等等。

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Look to many of history's cultural symbols, and there you'll find an ancestor of Frosty, the snowman in the movie Frozen.

看看历史上许多的文化符号，你会在那里找到《冰雪奇缘》中弗罗斯特的祖先。

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He says they are part of the genome of the last common ancestor of all birds,frogs, dinosaurs and mammals.

VOA: special.2010.06.29

We can say today that this university is a direct ancestor of the platonic republic of Plato's Academy.

我们可以说现今这间大学的直系原型,即是，“柏拉图学院“的,柏拉图式理想国。

耶鲁公开课 - 政治哲学导论课程节选

Aristotle is considered the ancestor of the varying sorts of thought about form, and it's this move, this move that he makes in the Poetics, that engenders this possibility.

亚里士多德称得上是对形式的多元思考之父,正是他所做的，和在《诗学》书中所提到的，使这一切成为可能。

耶鲁公开课 - 文学理论导论课程节选

But his official biography transposes his birth to the slopes of Mount Paektu on the North Korean-Chinese border--for many, the mythical birthplace of the ancestor of the Korean people.

CNN: ASIANOW - TIME Asia | Korea: New, Improved Dictator

It may be proven that Macedonians spoke Greek since Macedon, the ancestor of Macedonians, was a brother of Magnes, the ancestor of Thessalians, who spoke Greek.

FORBES: Two Great Historians On Alexander the Great Part 2

The scientists used cross-pollination and seed embryo transfer technology to transfer some of the resilience of the ancient ancestor of wheat into modern British varieties.

BBC: Cambridge-based scientists develop 'superwheat'