英语听力:自然百科 大堡礁:自然奇迹—14(在线收听

 It is also the largest green turtle breeding ground in the world. Having mated ashore, thousands of females pull themselves up the beach to lay their eggs. The record is 26,000 turtles in a single night. They turn a remote desert island into a clowded frenzied nocturnal activity.

 
Wind and waves have created an island that for a amoment at least has just right conditions to support this incredible spectacle. But the island still changes every year, every season, and the reef itself never stays the same for long. Twice a day, life along the length of the Great Barrier Reef has to cope with complete upheaval, as the rhythm of the moon causes tides to flood and drain the reef.
 
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  原文地址:http://www.tingroom.com/lesson/zrbaike/2014/283144.html