The cub is a year old and still dependent on its mother. 小豹已有一岁大了 仍旧依靠着它的母亲
Here, in the deciduous forests of eastern Russia 这里是俄罗斯东部的落叶林
so the land becomes barren with little for animals to eat. 大地一片荒凉 动物们的食物日益稀少
so now animals can collect their share of the energy that has come from the sun. 因此动物们也能获得 太阳馈赠给它们的那部分能量
it changes the composition of the atmosphere. 从而改变了大气成分
so the sun's influence grows stronger 太阳的影响力逐渐增强