英语听力:探索发现 2012-12-09 美洲大平原 American Serengeti—19(在线收听

 But their success hasn't gone unnoticed. From many miles away, the short-faced bear can smell blood on the breeze. He sniffs his way towards the source. 

 
Meanwhile, satisfied and sleepy, the pride settles down for a snooze. More than twice the weight of the pride's most powerful lion, the short-faced bear is a daunting sight. Its trump card is to use its massive size to frighten hunters from their kill. 
 
But the lions won't give up their hard-won meal without a fight. This time the bear's scare tactics just don't work. The lion's numbers are against him. And despite his annoying hunger, he backs down. The autumn winds are rising, carrying another scent across the plains. And once again the bear's nose senses course.
  原文地址:http://www.tingroom.com/lesson/yytltsfx/2012/244997.html