听力文本

The water brings a season of plenty for all animals. Hunting dogs.
水为所有动物都带来了一个丰收的季节。非洲野狗
These are now among the rarest of Africa's mammals,
它们现在已经成了非洲最稀有的哺乳动物
but then nonetheless the continent's most efficient predators.
不过，它们仍是非洲大陆上最有效率的掠食者
Their secret is teamwork. Impala are their favourite prey.
它们的秘诀就是团队协作。黑斑羚是它们最喜爱的食物

They start to hunt and the pack splits up.
捕猎行动开始，狗群四下分散
An aerial viewpoint gives a new insight into their strategy.
通过空中镜头，我们能从一个新的视角观察它们的战术
As the dogs approach their prey, they peel off to take up separate positions around their target.
狗群一旦接近猎物便立刻分散，占领目标四周的各个位置
They seem to form a cordon around the impala.
它们似乎打算对黑斑羚形成一个包围圈
Moving in total silence, they take up their positions.
它们悄无声息地逼近，然后各就各位。
Those ears can detect the slightest rustle.
它们的耳朵能洞悉最轻微的响声。

词汇解析

1.split up 分离
They were split up into groups to close the enemy.
他们分成了几个小组向敌人靠近。

2.insight into 洞察
It was more important to me to know how people thought, because that gave me insight into the way I could best work with them.
对我来说更重要的是去了解人们的想法是怎样产生的，因为这能让我洞察到与他们最好的合作方式。

3.peel off 离群，脱离集体
They peeled off from the human torrent streaming down Chang'an Boulevard.
他们离开了长安街上的人流。

视频及简介

北极的春季，北极熊妈妈和它的孩子从它们的洞穴中走出来，它们只有短短的两周时间，它们要在冰雪融化前穿越冰冻的大海，它们进退两难。在这集中，我们将看到一些最难得的、完整的北极熊生活的画面。