柯林斯詞典desertification /d??z??t?f??ke???n/ 1. N-UNCOUNT 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. 三分之一的非洲大陸麪臨著荒漠化的威脇。 返回 desertification劍橋詞典the process by which land changes into desert , for example because there has been too much farming activity on it or because a lot of trees have been cut down 沙漠化，荒漠化 返回 desertification