山地丘陵地区
mountainous and hilly land
四川盆地丘陵地区
Hilly area of Sichuan basin
川中丘陵地区
hilly area of central Sichuan basin
河涌丘陵地带
river surge and hilly land
黄土丘陵地区
middle hilly region of loess plateau
江淮丘陵地带
hill terrain between the Yangtze and Huaihe river
临湖丘陵地区
hilly land bordering on lake
南方山地丘陵区
mountain and hilly areas of South China