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·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。
3·Forests and tree cover combat land degradation and desertification by stabilizing soils, reducing water and wind erosion and maintaining nutrient cycling in soils.
通过稳定土壤，减少水蚀和风蚀并维持土壤养分循环，林木覆盖能够防止土地退化和荒漠化。
4·Land degradation and desertification can affect human health through complex pathways.
土地退化和荒漠化可通过复杂的途径影响人类健康。
5·Q: What is desertification, and how does it impact health?
问：什么是荒漠化？如何对健康产生影响？
1·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。
2·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。
3·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。
4·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。
5·There is perhaps no country in the world more at risk for desertification.
也许世界上没有哪一个国家面临如此大的沙漠化风险。
1·It seems that the cartoonist is sending a message about the significance of trees in water and soil conservation and the need for everyone to fight against the danger of the desertification.
我认为，漫画家要告诉我们的是：树木对水土保持的重要性，以及每个人参与抵制沙化威胁的必要性。
2·In Bajo Piura they find it, although living there has other costs, and fragile drylands pay their own price too, as people exacerbate desertification by cutting anything living for firewood.
终于在皮乌拉找到了这样的免费土地，但是居住于此依旧需要花费其他成本的。另外这里脆弱的旱地也因他们的到来付出了代价，因为这些人砍伐了这里所有的植物用作柴火从而导致了这里的沙化现象更为严重。
3·Soil cannot regenerate, so please prevent soil pollution and desertification, and reduce soil erosion.
土壤不能再生，防止土壤污染和沙化，减少水土流失。
4·In the region soil resources are destroyed frequently due to fierce wind erosion and desertification, affecting productive potential development.
由于严重的水土流失，风蚀沙化强烈，土壤资源不断遭到破坏，生产潜力得不到发挥。
5·Grassland desertification is also a process of comprehensive degradation of vegetation, soil and environment.
草地沙化是一个植被、土壤与环境全面退化的过程。