Leaping from the world's tallest trees is not for the faint hearted. 要从世界上最高的树木上跳下,可不能恐高
There are as many trees here, as in all the world's rainforests combined. 它的面积,是所有热带雨林面积的总和
It's these shoals that support most of the world's sea mammals. 鱼群也养育了世界上大多数海洋哺乳动物
They're pygmy sea horses, the world's smallest, less than two centimeters high. 豆丁海马--全世界最小的海马,身长不到两公分
All together they constitute a mere eight percent of the world's oceans 尽管浅水域仅仅占据了8%的海洋
yet they're home to over half of the world's species. 却汇集了世界上一半以上的物种.
It appears that the world's largest land carnivore has met his match. 看起来这个世界上最大的陆地食肉动物遇到了对手
Ninety per cent of all the world's ice is found here. 这里的冰占全世界的90%
Australia is the world's most arid continent with blistering daytime temperatures. 澳大利亚是世界上最干旱的大陆 整个白天酷热难当