英语听力：自然百科 鲨鱼湾的海豚—8

 Oh,whistle,i thought i hear a whistle here.something extraordinary is happening.Puck uses her unique call to identify herself to other dolphins,Yet strangely there are no other dolphins around.J believes that Puck is calling her unborn calf¹,if she is right,it is a astonishing discovery.she is basically advertising² the calf,i am you mum,hear me,hear me.And hopefully the baby then where to go after it's born.

Puck only calls to her unborn calf when she is alone.

J suspects this happens in the week before the calf is born.she thinks the birth is imminent³.

It's a shark,it is really a big one i don't know,three meters.?may be.Tiger sharks members are staring to build up.soon thousands of more tiger sharks will arrive in the bay.having already lost one calf to sharks,this is the worst possible timing⁴ for Puck.More than 75 percent of the dolphins bear the scars of their attacks.

 

1 calf   

n.小牛，犊，幼仔，小牛皮

参考例句：

• The cow slinked its calf.那头母牛早产了一头小牛犊。
• The calf blared for its mother.牛犊哞哞地高声叫喊找妈妈。

2 advertising   

n.广告业；广告活动 a.广告的；广告业务的

参考例句：

• Can you give me any advice on getting into advertising? 你能指点我如何涉足广告业吗?
• The advertising campaign is aimed primarily at young people. 这个广告宣传运动主要是针对年轻人的。

3 imminent   

adj.即将发生的，临近的，逼近的

参考例句：

• The black clounds show that a storm is imminent.乌云预示暴风雨即将来临。
• The country is in imminent danger.国难当头。

4 timing   

n.时间安排，时间选择

参考例句：

• The timing of the meeting is not convenient.会议的时间安排不合适。
• The timing of our statement is very opportune.我们发表声明选择的时机很恰当。