gren Garland syndrome

例句：

1. 1. The mountainrange is the highest point in the area.
   山脉是该地区的最高点。
2. 2. Theridge runs parallel tothe river.
   这条脊线与河流平行。
3. 3. The crest of themountain is covered in snow.
   山顶覆盖着雪。