low hill and mound region

• 低山丘陵

low hill and mound region的用法和样例：

例句

1. Geographically, Jiangmen Municipality is located in an alluvial plain in river delta, with low hills dotted crisscrossed rivers and fertile soil.
   江门市属河流三角洲冲积平原，低山丘陵错落其间，河网纵横，土地肥沃。