stony desertification石漠化
desertification index荒漠化指数
grassland desertification草原荒漠化;草地荒漠化
desertification evaluation荒漠化评价
desertification degree土地荒漠化程度
preventing desertification防治荒漠化
desertification disasters荒漠化灾害
expanding desertification荒漠化扩展
N-UNCOUNT（不可数名词） Desertification is the process by which a piece of land becomes dry, empty, and unsuitable for growing trees or crops on. 荒漠化
A third of Africa is under threat of desertification.
三分之一的非洲大陆面临着荒漠化的威胁。