- A female polar bear
这是雌性北极熊 - and her two cubs.
和她的2个孩子的脚印 - Some animals are so difficult to glimpse
有些动物如幽灵般 - that they're like spirits.
难得一见 - One could live a lifetime in these woods
你可能在森林里呆一辈子 - and never see a lynx.
也不会见到一只猞猁 - The cat must roam hundreds of miles in search of prey
这只猫(猞猁属于猫科的一种) 为寻找猎物跋涉了几百英里