Trees. Surely among the most magnificent of all living things. 树木是众多生命中的伟大一员
dwarfing all others, and these are the tallest of them all. 这些是长得最高的一种树.
Fish and krill stocks are declining so rapidly that spectacles like this may soon be part of history. 鱼和磷虾的产量正在迅速减少 象这样的景象可能很快将成为历史
sometimes diving to depths of forty meters to reach them. 有时它们潜到40米深
A large humpback eats three tons of krill a day. 一头成年座头鲸每天能吃掉3吨磷虾
After two months and thousands of miles, they're entering the polar seas both in the north and the south. 历时2个月,数千英里的跋涉 它们进入了两极的极地海洋
Two out of three penguins survive the seal attacks and succeed in reaching their ever hungry chicks. 有三分之二的企鹅能在海狗的攻击下逃生 顺利到达永远吃不饱的小企鹅身边
The humpbacks are nearing the end of their epic journeys. 座头鲸接近它们史诗般旅程的终点
The only safe way to grab a penguin is from behind, and the birds are well aware of that. 唯一的方法就是从背后抓住企鹅 不过企鹅也很清楚这一点.