在巨大的钻孔机清理出一条小道后，横贯瑞士阿尔卑斯山下方世界上最长的隧道终于成形。这条隧道将建设成为穿过欧洲心脏地带的高速铁路通道的关键路段。
The world's longest tunnel will take shape deep beneath the Swiss Alps on Friday when a giant drilling machine clears a path for a key high speed railway through the heart of Europe.
在数千万年前，非洲地壳板块与欧洲板块的碰撞形成了阿尔卑斯山脉的雏形。
The Alps's began forming tens of millions of years ago, when the African tectonic plate slowly collided with the European plate.
大约5500万年前就开始的非洲大陆及欧洲大陆的相互碰撞形成了阿尔卑斯山。
The formation of the Alps through the collision of the two continents Africa and Europe began about approximately 55 million years ago.
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