v. 采伐森林，毁掉树林（deforest 的过去式和过去分词）
1.Once they lost the power to keep them out, their ancestral lands were quickly deforested.
当满族权力丧失，不能再禁止人们前往该地区后，他们祖地上的树木便被迅速地砍伐。
2.Once they lost the power to keep them out, their ancestral lands were quickly deforested.
当满族权力丧失，不能再禁止人们前往该地区后，他们祖地上的树木便被迅速地砍伐。
3.Three-fifths of the land here has been deforested since the 1970s.
五分之三的土地这里已经被荒漠化自从20世纪70年代。
4.Gold mining has also led to deforested riverbanks.
金矿的开采也导致了河堤上的树木被砍伐殆尽。
5.Two thirds of the region has been deforested in the past decade.
在过去十年里这个地区的森林有三分之二被毁掉。