The Pyrenees separate France and Spain.

比利牛斯将法国和西分开。

The Great Pyrenees even has a double dewclaw, an inherited trait called polydactyly, so that there are two bony digits instead of one.

其次，“义趾”的形态和分布是多样的，迄今没有看到关于其发生和形态“遗传规律”的文献。