The range at its centre rises to 3 miles high 山脉中心地带的山峰伫立高达3英里

143. as Africa, drifting northwards, collided with the southern edge of Europe.
     原因是非洲板块向北漂移 与欧洲南麓相撞
144. These spires are the eroded remains of an ancient seabed that once stretched between the two continents.
     曾经连接两块大陆的古老海床 侵蚀后留下了一座座尖耸的山峰
145. But these are just the Alpine foothills.
     可是这些只是阿尔卑斯山麓地带的小山
146. The range at its centre rises to 3 miles high
     山脉中心地带的山峰伫立高达3英里
147. and is crowned with permanent snows.
     并且终年覆盖积雪
148. The Matterhorn,
     马特洪峰
149. its summit too steep to hold a snow field.
     高峻挺拔的峰顶甚至无法附着积雪

来自《行星地球 第一季 第二集 Planet Earth S01E02 山地》第 146 行