18.For three months, she had to travel around the country on buses and trains waiting for the perfect opportunity to cross the Pyrenees Mountains undetected.
20.The Basque region, or Euskal Herria, has shifted its borders often throughout its long history, but it broadly encompasses the region around the western Pyrenees Mountains.
巴斯克地区, 或 Euskal Herria, 在其悠久的历史中经常改变其边界,但它广泛地涵盖了西比利牛斯周围的地区。机翻