At these latitudes, the sun's rays are weak 在这样的高纬度 阳光的强度非常微弱
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
And with it, the old and the weak. 难逃一劫的还有老弱动物
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
Weak from lack of food and water, 尽管它们缺食少水 日渐衰弱
Golden eagles patrol these cliffs in search of the weak or injured. 金雕在悬崖边巡视 搜寻着老弱病残的动物