沟壑的意思用英语怎么说

沟壑的意思

The meaning of gully

沟壑

[词典] gully; ravine; [挪] gill; donga;

[例句]研究成果可为黄土丘陵沟壑区坡面治理提供理论依据。

The results provided the scientific theory basis for slope erosion control in the Hilly-gully region of Loess Plateau.