desertification是什么意思？

desertification

英[dɪˌzɜ:tɪfɪˈkeɪʃn] 美[dɪˌzɜrtɪfɪˈkeɪʃn]

• n. 沙漠化，沙化；

例句

• In desertification and its opposite process i . e control of desertification, water plays the determinative role. 荒漠化过程与其逆过程即荒漠化治理中, 水在其中起着决定性作用.
• Achievements have been made in desertification prevention and control. 防沙治沙工作取得积极效果.
• Desertification drains an arid or semiarid land of its life - supporting capabilities. 沙漠化使干旱或半干旱地区维持生命的能力逐渐枯竭.
• 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.
• 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。

柯林斯高阶英汉双解学习词典释义

• N-UNCOUNT
  （土地的）沙漠化，荒漠化
  Desertification is the process by which a piece of land becomes dry, empty, and unsuitable for growing trees or crops on.
  例句
  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。

英英词典释义

• Noun
  1. the gradual transformation of habitable land into desert; is usually caused by climate change or by destructive use of the land;
  "the dust storms in Korea are the result of rapid desertification in China"

行业词典

• 农学： 荒漠化；
  地理学： 荒漠化；
  林学： 荒漠化；
  生态学： 荒漠化；干旱、半干旱和亚湿润干旱区由气候变化和人类活动等多种因素引起的土地退化现象。；