阿尔泰山脉横跨四个国家，是许多稀有动植物的家园。

The ___Altai mountain range stretches across four countries and is home to many rare species.

阿尔泰地区以其壮丽的山脉景观而闻名。

The ___Altai region is famous for its magnificent mountain scenery.

阿尔泰语系的一些方言在蒙古西部仍然被使用。

Some dialects of the ___Altai language family are still spoken in western Mongolia.