but nutrients alone can not support life. 但只有养分并不能维持生命
Neither seem likely to produce enough nourishment to support bird life on this scale. 而且看上去也不能提供给鸬鹚足够的食物
and, like terrestrial prairies, they support herds of grazers -- Dugongs. 像陆地上的大草原一样 这里也养育了大量的食草动物--儒艮
They put coils in their tendrils so that if their support moves, they will stretch and not snap. 因此向支撑的树移动时 它们会伸展而不会断裂
At their peak, they support the greatest gatherings of wildlife found anywhere on Earth. 在其生长旺盛期 大草原能维系地球上最大的生命群落
Despite the conditions, grass survives and in sufficient quantities to support the highest of all grazing herds, 在这样的环境里 依然生长着漫山遍野的草 维系所有食草动物的生存需要
and the grass here can support herds all year round. 能够全年维系所有的动物群落的食物需要
The plains of our planet support the greatest gatherings of wildlife on Earth. 草原维系了我们行星最丰富多彩的生命群落
The ice is becoming too weak to support a male polar bear. 冰面开始变薄 已经很难承受一只雄性北极熊的重量
In savanah country huge herds of games support prides containing 20 lions or more. 热带大草原的竞争促使鼎盛的 狮群数量达到20只 甚至更多