loess plain

例句：

1. 1. The loess plain is a region with a unique geological landscape.
   黄土高原是一个具有独特地质景观的地区。
2. 2.The loess plain is home to many rare plant species.
   黄土高原是许多稀有植物物种的家园。
3. 3. The loess plain is an important site for studying the evolution of life on Earth.
   黄土高原是研究地球上生命演化的重要场所。