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

 But their success hasn't gone unnoticed. From many miles away, the short-faced bear can smell blood on the breeze. He sniffs¹ 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 daunting² sight. Its trump³ 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 scent⁴ across the plains. And once again the bear's nose senses course.

1 sniffs   

v.以鼻吸气，嗅，闻( sniff的第三人称单数 )；抽鼻子（尤指哭泣、患感冒等时出声地用鼻子吸气）；抱怨，不以为然地说

参考例句：

• When a dog smells food, he usually sniffs. 狗闻到食物时常吸鼻子。 来自辞典例句
• I-It's a difficult time [ Sniffs ] with my husband. 最近[哭泣]和我丈夫出了点问题。 来自电影对白

2 daunting   

adj.使人畏缩的

参考例句：

• They were faced with the daunting task of restoring the house.他们面临着修复房子的艰巨任务。
• Starting a new job can be a daunting prospect.开始一项新工作有时会让人望而却步。

3 trump   

n.王牌，法宝；v.打出王牌，吹喇叭

参考例句：

• He was never able to trump up the courage to have a showdown.他始终鼓不起勇气摊牌。
• The coach saved his star player for a trump card.教练保留他的明星选手，作为他的王牌。

4 scent   

n.气味，香味，香水，线索，嗅觉；v.嗅，发觉

参考例句：

• The air was filled with the scent of lilac.空气中弥漫着丁香花的芬芳。
• The flowers give off a heady scent at night.这些花晚上散发出醉人的芳香。