Way up north, Alaska is called the Last Frontier for understandable reasons. Near the Arctic Circle, it was the final part of the nation to be explored and settled.

• 同样的道理，北部的阿拉斯加被誉为“最后的处女地”的原因也可了然.；在北极圈附近，它是该州开发、定居的最后一站！