and, despite the harsh conditions, life flourishes here in isolation. 尽管生存条件恶劣 生命仍在这个与世隔绝的地方得到了兴盛
and undergo a magical transformation. 然后经历一场不可思议的变化
Malawi, Tanganyika, and Victoria. 马拉维湖、坦噶尼喀湖 以及维多利亚湖
rivers slow down and lose their destructive power. 河水流速变慢 没有了原来的破坏力
Only the adults have the speed and agility needed to make a catch. 只有成年水獭才具备 捕鱼所需的速度和灵巧
they gradually warm and begin to support more life. 河水渐渐变暖 养育的动物也多了起来
and at its widest it's 17 miles across. 最宽的地方达17英里