To trap its prey it goes fishing with a line of silk. 它利用一根根的丝来诱捕猎物
that it can support fresh water dolphins. 为淡水海豚提供了生存条件
it empties into the Atlantic Ocean. 亚马逊河汇入了大西洋
It carries as much water as the next top-ten biggest rivers combined. 它的水量是世界十大江河中 其余9条大河的总和
It took over an hour to drown this full-grown bull. 它得花上一个多小时 才能淹死这只成年公角马
it will travel hundreds of miles to the sea. 行程数百英里回到大海
and as it cools, it condenses into cloud and finally rain - 逐渐冷却 汇聚成云 最后形成降雨
and the eagle has to struggle to control it. 金雕不得不努力控制飞行