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deforestation [diːˌfɒrɪˈsteɪʃ(ə)n] n
clim.	滥伐
desert.	滥伐森林
ecol.	砍伐森林
hydroel.st.	森林砍伐
tech.	滥伐 (森林); 采伐森林; 伐去森林; 伐除森林; 清除森林
UN, ecol.	毁林
deforestation The removal of forest and undergrowth to increase the surface of arable land or to use the timber for construction or industrial purposes. Forest and its undergrowth possess a very high water-retaining capacity, inhibiting runoff of rainwater [diːˌfɒrɪˈsteɪʃ(ə)n] n
environ.	森林砍伐 (为增加耕地面积或提供建筑及工业用材，移除森林及林下面积。森林和林下植被有很强的含水能力，能够防止雨水流失。)

deforestation : 12 phrases in 3 subjects

Ecology	1
Forestry	7
Technology	4