desertification [dɪˌzɜ:rtɪfɪˈkeɪʃn]

例句:

• N'Diaye said lands affected by desertification can be reclaimed.
  来自VOA
• A third of Africa is under threat of desertification.
  非洲有三分之一的土地面临荒漠化的威胁。
  
• Early and current agricultural practises leads to desertification.
  来自SA
• Desertification is the serious environmental and social economy problems.
  荒漠化是当今世界严重的环境与社会经济问题.
  
• The desertification of land by the current world - wide attention.
  留学解答资讯网:土地的沙漠化得到了当今世界广范围的重视.
  
• Warm without trees which will lead to desertification.
  来自SA