Slash-and-burn farming can be good for soils provided it doesn't completely burn all the vegetation, and leaves behind charred wood.(刀耕火种的耕作方式对土壤是有好处的，只要它不完全烧掉所有的植被，只留下烧焦的木头。)
They are only doing what is necessary to prevent wholesale destruction of vegetation.(他们只是在做为防止植被遭大规模破坏而必须做的事情。)
The daytime quality of light in forests varies with the density of the vegetation, the angle of the Sun, and the amount of cloud in the sky.(森林里的日光质量随着植被密度、太阳照射角度和天空云层数量变化而变化。)
The raising of livestock is a major economic activity in semiarid lands, where grasses are generally the dominant type of natural vegetation.(在半干旱地区，草地通常是最主要的天然植被，而该地区主要的经济活动是家畜饲养。)
Less vegetation means the soil can't hold water as well; the soil loses its ability to retain water when it does rain.(更少的植被意味着土壤也无法保持水分；下雨时土壤就失去了保持水分的能力。)
The type of vegetation in a specific region is determined by identifying and counting the various pollen grains found there.(一个特定地区的植被类型是通过识别和计算那里发现的各种花粉粒来确定的。)
Here the first vegetation peeped forth; here Kay and Gerda took leave of the Lapland woman.(这儿，早春的草木露出了绿芽；在这儿，加伊和格尔达告别了拉普兰女人。)
Lillehammer's opening ceremonies featured a giant Olympic Torch burning biogas produced by rotting vegetation.(利勒哈默尔的开幕式上有一个巨大的奥运火炬，它是由腐烂植物产生的沼气燃烧着的。)
The town has been browsed bare of vegetation, except where gardens and shrubs are protected by high fences.(如今，除了受到高栅栏保护的公园和灌木丛之外，这个小镇上已经没有一点植被。)
Vegetation patterns changed when goats were introduced to the island.(自从引进山羊之后，这个岛上的植被模式改变了。)
