英语听力：自然百科 大迁徙之繁衍生息 Need to Breed—20
时间：2018-12-03 作者：英语课 分类：自然百科2011年
英语课
After months on awkward shores, they are going home. The young albatross fledglings left behind days ago, rave 1 their engines on their necks, testing the force for the wings and hauling wings that will power them around the world. It is time to fly or die.
For Janney rook, casualties are merely a last chance to feast. Soon, there would be a little left but scraps 2 to sustain him through a brutal 3 winter. The last fledglings now make a leaper faith. Once on the wing, they may not come to shore for a decade, and then only to breed. From now on, they are migrants. Circling the sullen world, wading to brilliant skies and sleeping at solely bounds of life