deforestation /diˌforəˈsteɪʃən/ noun Learner's definition of DEFORESTATION
[noncount]
: the act or result of cutting down or burning all the trees in an area伐林;毁林 — compare reforestation — deforest
/diˈforəst/ verb deforests; deforested; deforesting [+ object] —
usually used as (be) deforested通常用作(be) deforested