Their growing tips circle like lassoes, searching out anchors for their spindly stems. 它们的生长锥如套索般圆形移动 来寻找可以攀援的物体.
The dramas that play out here are a savage reminder of how important water is for all life on these plains. 刚刚播放的残酷的画面提醒着我们 水对于草原上的生命是何等重要啊
The wolf panics the herd, and the weak and young are singled out. 狼从受到惊吓的鹿群中寻找老弱孤残
but with this platform now gone, they need a new place to haul out and nurse their young. 但这块平台已经消失,它们需要新的地方哺育幼仔
He is forced to head out into deeper water. 它必须进入更深的水域
0ne out of every two cubs do not survive their first year out on the ice. 两只幼熊中往往会有一只无法在第一年存活下来
and the family will need to head out across the frozen sea before the mother's milk runs dry. 在母熊奶水干涸之前 一家人需要穿越冰封的海洋
To cement their relationship, the male steps out with his female. 为了巩固它们的关系 雄企鹅跟雌企鹅走出行列
After laying their eggs, the petrels take time out to clean their plumage. 产蛋后雪海燕会在抽出时间在雪地里整理羽毛
As the vegetation in one place begins to run out 当一个地方的植物即将吃光时