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单词 desertification
释义

WordReference Random House Unabridged Dictionary of American English © 2024
de•sert•i•fi•ca•tion  (di zûr′tə fi kāshən),USA pronunciation n. [Ecol.]
  1. Ecologythe processes by which an area becomes a desert.
  2. Ecologythe rapid depletion of plant life and the loss of topsoil at desert boundaries and in semiarid regions, usually caused by a combination of drought and the overexploitation of grasses and other vegetation by people.
Also, des•ert•i•za•tion (dez′ər tə zāshən).USA pronunciation Cf. aridification. 
  • desert1 + -i- + -fication 1970–75

Collins Concise English Dictionary © HarperCollins Publishers::
desertification /dɪˌzɜːtɪfɪˈkeɪʃən/ n
  1. a process by which fertile land turns into barren land or desert
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