A third type of mountain may be formed as a result of volcanic activity which occurs in regions of active fold mountain belts, such as in theCascadeRange of western North America.
第三种类型的山可能是由于火山活动形成的,一般发生在活动性褶皱带地区,如北美西部的喀斯喀特山脉。
2
Shaped both by volcanism and glaciers, Mt. Hood is part of theCascadeRange, a belt of volcanoes running through the Pacific Northwest.
它的形成由于火山作用和冰河时期,胡德雪山是喀斯喀特山脉的一部分,火山带流经太平洋西北部。
3
It is surrounded by rugged green wilderness; to the west the Olympic Mountains, to the east the volcanoes and glaciers of theCascadeRange, and all around the brisk waters of the Northwest.