They are scavengers , which feed on dung and other decaying organic matter , and play an invaluable role in keeping the veld clean 他们是清洁工，以粪和另外的腐烂有机物为食，而且在保持草原清洁方面扮演了一个举足轻重的角色。
2.
Costa j . rallis and b . muissa mangaya , " ignition of veld grass by hot aluminum particles ejected from clashing overhead transmission lines " fire technology , vol . 38 , no . 1 , january 2002 , p . 81 邸曼,马宝珠.高压铝导线痕迹物证鉴别及引起火灾可能性的探讨.消防科学与技术, 2003 , ( 4 )
3.
But water is pumped into the hole throughout the year , attracting animals when it might otherwise be dry , and overgrazing has substantially depleted the surrounding veld vegetation 天然归天然，为了避免水塘乾掉，一年里还需以人工方式灌水，以确保随时有水可以吸引动物前来饮用。不过这一带由于草食动物过度啃食，周围草木几乎快秃光了。
4.
Traditionally , basarwa had no established homes , lived entirely by hunting and collecting veld foods , having no property other than bows and arrows , bone - knives , tanned skins , grass mats and other primitive utensils 过去，巴萨瓦族居无定所，完全靠狩猎和采集草原食物为生，除了弓箭、骨刀、鞣制兽皮、草席及其它基本用具以外，几乎没有财产。
5.
The temperate mid - latitudes ? the prairies and pampas of the americas , the veld of southern africa , and the grassland plains of australia and new zealand ? were successively colonized by out - migration from the core nations 温和的中纬地带? ?包括北美的大草原和南美潘帕斯大草原，南非大草原和澳大利亚新西兰的草原，都被核心国家的向外移民成功的殖民化了。
