听力文本

At the peak of the dry season in the Kalahari, water arrives in the Okavango.
就在卡拉哈里旱季的最高峰时，奥卡万戈迎来了水
It fell as rain a thousand miles away in the highlands of Angola
这些水来自数千英里外安哥拉高地的降雨
and has taken nearly five months to reach here.
奔流了将近5个月才到达这里
The water drives out insects from the parched ground, which are snapped up by plovers.
水将燥热土壤中的昆虫驱赶出来，它们很快便成了可口的点心

Catfish, travelling with the flood, collect any drowning creatures the birds have missed.
随着洪水一块儿到来的鲶鱼，捡食着那些被鸟类遗漏的溺水者
It's a seasonal feast for animals of all kinds.
对所有动物来说，这是一场季节性的盛宴
Birds are the first to arrive in any numbers - wattled cranes, then black storks.
鸟类是所有宾客中率先到达的，肉垂鹤，接着是黑鹳
Behind the birds come buffalo.
鸟类之后就是非洲水牛
After weeks of marching their trek is coming to an end.
经过数周的长途跋涉，它们终于抵达了终点。

词汇解析

1.at the peak of 在…高峰期
Who, at the peak of happiness, can remember the number of Cupid, or any of the fun days around.
在幸福的峰巅，谁还记得住爱神的电话号码，谁还记得住周围许多有趣的日子。

2.drive out 驱逐
He tried to drive the evil thoughts out of his mind.
他企图驱散心中罪恶的念头。

3.snap up 抢购，匆匆吃下
There are only about 2, 500 in total -- and they are being snapped up at both a torrid rate and at jaw-dropping prices.
新加坡总共只有约2,500套高档洋房，它们正在以极快的速度和令人惊掉下巴的价格被抢购一空。

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。