And return him to the savannahs of his childhood .

把他送回他童年生活的大草原。

African savannahs experience hot and often dry conditions , so plants must find ways of retaining moisture .

非洲稀树草原的气候酷热且常年干旱，因此植物必须使用各种方法来保存水分。

Just about every place on the planet has a predator at the top of the food web . The african savannahs have the lion , the jungles of asia the tiger and the arctic tundra the polar bear .

地球上的每个地方都有处于食物链顶端的猎食者，非洲沙哈拉的雄狮、亚洲热带雨林的猛虎、北极冻原的北极熊。

Brazil need not chop down the amazon or destroy the remaining savannahs to expand its agriculture .

巴西发展农业不需要砍掉亚马逊的树或是毁掉剩余的热带稀树草原。

There will be photometric and spectroscopic evidence for forests and savannahs .

通过光度与光谱证据，也许还能发现森林和草原的痕迹。