sucking up the water as soon as it appears. 水一边流淌一边被它吸去
This water fell as rain in mountains more than a hundred miles away. 这些水来自100英里之外的山地降雨
and called that because the water may run for just a single day. 之所以这么叫是因为 这些水可能仅仅流淌一天左右
which eventually they must to find food and water. 因为它们最后总得寻找食物和水
Deserts are created by the lack of water, 沙漠的形成是因为缺少水
With little or no soil to retain the water on the surface of the land 由于几乎没有土壤保留地表水分
but water, scarce thought it is, has also, like the wind, shaped the land itself. 尽管水很少 但它也和风一样 造就了各种地形
So the saguaro's success in developing a way to store water 看来弁庆柱进化出的 这种成功的储水方式
When full, a saguaro stem can store up to five tonnes of water 吸饱水后 弁庆柱的茎干中 已储存了5吨左右的水