| be located in / situated | 坐落于/位于 | 
| with an average altitude of 100 meters | 海拔 | 
| covers an area of 2.3 millions square kilometers | 面积 | 
| with a total area of about 5000 square kilometers | 面积 | 
| be covered by | 覆盖 | 
| a thickness of 50-80 meters | 厚度 | 
| one of the birthplace of | 发源地之一 | 
| as early as 500 years age | 早在500年前 | 
| stretch across | 横跨 | 
| hava a long history with beautiful scenery and pleasant climate | 历史悠久,风景秀丽,气候宜人 | 
| a superior ecological environment | 优越的生态环境 | 
| a wide variety of living creatures | 生物多样性 | 
| be known as | 被誉为 | 
| mineral resources | 矿资源 | 
| a variety of | 多种 | 
| adequate | 重组 | 
| favorable conditions | 有利条件 | 
| be inhabited by | 居住 | 
| rich ethnic culture | 丰富的民族文化 | 
| have been made into | 使成为 | 
| popular tourist destinations | 旅游目的地 | 
| tourists | n.游客 | 
| attract | v.吸引 | 
| demestic and foreign | 国内外 | 
| be rich in natural resources,beautiful scenery | |
| rare wild animals | 稀有动物 | 
| the source of | ....的源头 | 
| be vital to | 至关重要 | 
| global esosystem | 全球生态系统 | 
| due to | 由于 | 
| at an accelerating rate | 正在加速 | 
| grassland | 草地 | 
| plateau | 平原 | 
| grassland coverage | 草地覆盖率 | 
| endangered species | 濒危物种 | 
| with numerous rivers | 数不清的河流 | 
| deep and steep | 又深又陡 | 
| canyon | 峡谷 | 
| fertile soil | 土壤肥沃 | 
| be conductive to | 有利于 | 
| the growth of crops | 作物生长 | 
| biological and cultural diversity | 生物、文化多样性 | 
| an area with... | ....的地区 | 
| the origin of ancient humans | 古人类起源的重要地区 | 
| ethnic minorities | 少数民族 | 
| retain | 保留 | 
| the concentrated loess distribution | huagn'tu | 
| implementation | |