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1. Oxford American Dictionary

   desertification

   • IPA[dəˌzərdəfəˈkāSH(ə)n]

   美式

   • n.
     the process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture

   • noun: desertification

2. • 釋義

   n.

   名詞

   • 1. the process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture nearly one fifth of the world's land is threatened with desertification
3. • 更多解釋

   desertification

   • IPA[dɪˌzəːtɪfɪˈkeɪʃn]

   英式

   • n.
     the process by which fertile land becomes desert, typically as a result of drought, ... nearly one fifth of the world's land is threatened with desertification

   Oxford Dictionary