一只北美野牛伫立在俄克拉荷马州的高草草原保护区。
An American bison stands in a field on the Tallgrass Prairie Preserve in Oklahoma.
击中奥克弗诺基国家野生动物保护区深处的蜜糖大草原的闪电，可能只会撂倒两三棵树而已。
The bolt that struck Honey Prairie, deep inside the Okefenokee National Wildlife Refuge, might have just knocked down a tree or two.
我在北美大草原上露天闲逛，大部分是在保护区中和私人牧场。
I roam out in the open on the Great Plains of North America, mostly in protected areas and private ranches.
如果仅是闪电而没有干旱，击中甜蜜大草原(位于奥克弗诺基国家动物保护区腹地)的闪电不过可能会撂倒两三棵树而已。
And had there been lightning and no drought, the bolt that struck Honey Prairie, deep inside the Okefenokee National Wildlife Refuge, might have just knocked down a tree or two.
按英亩来算，有些保护区，例如那些位于雨林，热带草原或者红树林沼泽的地方- - -平均每亩保护的物种要比其他保护区多的多。
Acre for acre, some sanctuaries-such as those in rainforest, tropical grassland or mangrove swamps-offered a lot more species protection per acre than others did.
如今，有100多头野牛闲适的生活在蒙大拿州东部3万英亩的美国草原自然保护区，这是一个世纪以来它们首次在此区域定居。
More than 100 bison now roam the 30, 000-acre American Prairie Reserve in eastern Montana—the first time they've inhabited that region in a century.
贺兰山自然保护区的植物旅游资源由森林、灌丛、草原、荒漠、高山草甸等植被类型和部分特色植物种群及物种组成。
The botanical tourist resources of Mount Helan nature reserve are composed of forest, shrub, steppe, desert, meadow, and some characteristic plants.
升降不定的水位常常使草原上最好的滨鸟栖息地被挤到了保护区之外。
Often, fluctuating water levels put the best shorebird habitat on grassland outside the protected areas.
本公司机械化生产的草原网，广泛应用于草原放牧的隔离，培植草木，自然保护区的隔离以及公路、铁路、城市的护栏。
The Company's Prairie mechanized production network is widely used in the grazing isolation, cultivated vegetation, nature reserves and the isolation of highways, railways, urban barriers.
稀树大草原图片。长颈鹿，像这样在肯尼亚的马赛马拉国家保护区之一，是少数动物饲料在稀疏的树木群落的大草原。
Giraffes, like this one in Kenya's Masai Mara National Reserve, are among the few animals that feed on the sparse tree populations of the savanna.
稀树大草原图片。长颈鹿，像这样在肯尼亚的马赛马拉国家保护区之一，是少数动物饲料在稀疏的树木群落的大草原。
Giraffes, like this one in Kenya's Masai Mara National Reserve, are among the few animals that feed on the sparse tree populations of the savanna.
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