英语听力：2012-02-22 从南极到北极 From Pole To Pole—16

（单词翻译）

 This is in Africa rarely seen, a lush water world. Some creatures are completely at home here. These are lechwe, antelope¹ with hooves that splay widely enabling them to move at speed through the water. For others, the change is far less welcome. Baboons² are somewhat apprehensive³ bathers. The water brings a season of plenty for all animals. Hunting dogs. These are now among the rarest of Africa’s mammals. But they are nonetheless the continent’s most efficient predators⁴.