deforestation[di:,fɔri'steiʃən]

• n.deforest的变形

deforest[,di:'fɔrist]

• vt.毁林，滥伐…的森林，砍掉(或清除)…上的树林：

  Poor planning deforested the area in several years.

  因规划很差，这地区的树林几年内已被乱砍滥伐。