听力文本

The secret of success in the competitive jungle is specialising,
在激烈的雨林竞争中取得胜利需要一些秘密手段，
and this has led to the evolution of some very intimate relationships between plants and animals.
这让一些生物在动植物之间进化出了非常的关系。
These are pitcher plants, also from Borneo.
这是婆罗洲的猪笼草。
Adapted to living in very low-nutrient soils,
为了适应营养稀缺的土壤，
the pitcher plant gets most of its nourishment from insects lured to nectar glands on the underside of the lids.
这种象瓶子状的植物用内侧唇瓣蜜腺分泌物来吸引昆虫。

Once on board, the waxy sides of the pitcher ensure there's little chance of escape.
当昆虫被引诱过来时，光滑的内侧唇瓣使得昆虫鲜有机会逃跑。
Most slip to a watery grave.
多数淹死在这个水坟中。
At the bottom of the pitcher, glands secrete enzymes which help to digest the corpses, so feeding the plant.
猪笼草底部是种神秘的生化酶，帮助消化猎物，给猪笼草提供养料。
But not all visitors have a fatal attraction to the pitchers.
但并不是所有的来访者都遭此噩运。
The Red Crab Spider spends its entire life in the pitchers, hanging on with threads of silk.
红蟹蜘蛛终身生活在猪笼草里，它们用丝线吊住自己。
Instead of building a web, it relies on the water-filled pitcher to trap its food.
它直接以掉入猪笼草陷阱的虫子为生，而不用去织网。

视频及简介

热带雨林只占到地球表面积的3%，却容纳着全世界50%的生物种类。雨林分布于温暖潮湿、阳光充足的赤道地带，它们是众多生物的理想栖息地。美丽的航拍图像显示出了世界上最壮观的森林景象，而高清摄影机则记录下了雨林底层罕见的生命形态。