英语听力：自然百科 大迁徙 Great Migrations—10

搜索关注在线英语听力室公众号：tingroom，领取免费英语资料大礼包。

 

In the sun burnt Serengeti, hunger keeps the wildebeests thundering northward², following the rain. A collective intelligence keeps the herd³ on track, neighbor leading neighbor, along ancestral paths.

 

Testosterone drives young males to flaunt⁴ their strength, fleetness and stamina⁵. The plain is awash in hormones⁶. And young male ostriches⁷ gyrate in  outlandish displays. But most of the march is a blistering⁸ slog, with patient scavengers and predators⁹ knowing some will falter¹⁰. 

 

One of the last born, his young body exhausted¹¹ beyond measure, simply can not carry on. His mother, caught between the pull of maternity¹² and the need to survive, waits, urges.

 

分享到：