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1·A third of Africa is under threat of desertification.

三分之一的非洲大陆面临着荒漠化的威胁。《柯林斯英汉双解大词典》

2·If we continue to destroy forests, land desertification will be an inevitable result.

如果我们继续破坏森林的话，土地沙漠化将会是必然的结果。

3·The expansion of desert-like conditions into areas where they did not previously exist is called desertification.

沙漠化是指类似沙漠的生态环境扩张到原本并没有沙漠的区域。

4·There is little doubt, however, that desertification in most areas results primarily from human activities rather than natural processes.

然而，几乎毫无疑问，大多数地区的沙漠化主要是由于人类活动而不是自然过程造成的。

5·Desertification is accomplished primarily through the loss of stabilizing natural vegetation and the subsequent accelerated erosion of the soil by wind and water.

起到稳定作用的自然植被不断减少，随后土壤受风雨的侵蚀加速，就成为了沙漠化的主要成因。

6·Four specific activities have been identified as major contributors to the desertification processes: overcultivation, overgrazing, firewood gathering, and overirrigation.

导致沙漠化的主要因素有四个：过度种植、过度放牧、过度砍伐、过度灌溉。

7·Those green trees prevent desertification, make the air cleaner and protect people from the hot sun.

那些绿色的树木防止荒漠化，使空气更清新，保护人们免受烈日的暴晒。

8·Instead of enjoying a relaxing life, he volunteered to save the soil from desertification by planting trees in Korla, Xinjiang.

他没有享受轻松的生活，而是志愿在新疆库尔勒植树，拯救土地免于荒漠化。

9·During the dry periods that are common phenomena along the desert margins, the pressure on the land is often far in excess of its diminished capacity, and desertification results.

在沙漠边缘地区常有的旱季，土地所受的压力往往远超其被削弱的承受能力，沙漠化因此发生。

10·Climate change is inter-linked with other global environmental problems such as deforestation, desertification and freshwater degradation.

气候变化与森林砍伐、荒漠化和淡水退化等其他全球环境问题相互关联。