听力文本

Less than 2 percent of the sunlight reaches the floor,
只有不到2%的阳光能够到达丛林地表
but even here there is extraordinary variety.
即便如此，这里的生物种类也异常丰富
In the great island of New Guinea, there are 42 different species of birds of paradise,
在新几内亚岛上生活着42种不同的极乐鸟
each more bizarre than the last.
一种比一种奇异
This forest is so rich that nourishing food can be gathered very quickly.
这片森林异常富饶，营养美味的食物唾手可得

That leaves the male six-plumed bird of paradise
这也使得雄六羽极乐鸟
with time to concentrate on other matters like tidying up his display area.
有时间去关心其它的事，比如打扫它的「舞台」
Everything must be spick and span. All is ready.
整块地方必须干净整洁，万事具备。
Very impressive, but no one is watching.
非常精彩，可惜没有观众
The superb bird of paradise calls to attract a female. And he has more luck.
华丽极乐鸟利用鸣叫吸引异性。它似乎更为走运
But what does he have to do to really impress her?
那么，接下来它该怎么做才能获得芳心呢？

词汇解析

1.with time to 有时间...
For travelers with time to kill and a penchant for confined spaces, the Central Line's thrice-weekly cross-country passage is one of Africa's great rail journeys.
对既有时间可消磨，又不怕呆在狭小空间里的游客，中央铁路每周三次贯穿国家的旅程可以算是非洲最伟大的铁路旅行之一了。

2.tidy up 收拾，整理
Before leaving for the day, tidy up your desk and make a short list of projects you will need to do the next day.
在新的一天来临之前，把你的桌子收拾干净并对明天将要做的工作做一个简短的列表。

3.spick and span 干净整洁
Everything in her house is always spick and span.
她房间的东西都井井有条、干净整洁。

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。