Do you know that Tibet has the highest mountain in the world? 你知道西藏拥有世界的最高山吗？

　　The Himalaya mountain ranges in Tibet have very high mountains. 西藏的喜马拉雅山脉有很多高山。

　　And Mount Everest is the highest among them.  其中珠穆朗玛峰最高。

　　Mount Everest is the highest mountain in the world. 珠穆朗玛峰是世界最高峰。

　　The Himalayan mountain ranges are not only the highest places in Tibet. 喜马拉雅山脉不仅在西藏地势最高。

　　The entire region of Tibet is very high. 整个西藏地区的地势都非常高。

　　Tibet is the highest region in the world. 西藏是世界上地势最高的地区。

　　Do you know what the nickname of Tibet is? 你知道西藏的绰号是什么吗？

　　It's the roof of the world. 世界屋脊。

　　Tibet is in China, also the most rivers in east Asia start from Tibet. 西藏位于中国，它也是东亚大多数河流的发祥地。