大学英语六级听力 012

Tropical forests in the world The world's forests are disappearing.As much as one third of the total tree cover has been lost, since agriculture began some ten thousand years ago.The remaining forests are home to half of the world's species,thus beco

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I'm an industrial engineer. 我是一个工业工程师。 The goal in my life has always been to make more and more products in the least amount of time and resources. 在我的生命中一直追求的目标，是用最少的时间和资源，做出更

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There was a time before our ancestors smashed flint and steel together, 很久以前，我们的祖先还未将燧石和铁器互击， when they felt the cold lack of fire in their lives. 他们因生活缺乏火而时感寒冷。 But anthropologist

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Scientists Discover New Animal 科学家发现新的物种 From VOA Learning English, this is SCIENCE IN THE NEWS. Im June Simms. And Im Bob Doughty. Today we tell about a new animal species native to South America. We tell how agricultural chemical

SSS 2010-02-23

Its long been known that nutrient-rich dust from Africa floats across the Atlantic to the Amazon. And its assumed that the dust fertilizes the rainforest. Oliver Chadwick from the University of California, Santa Barbara, says that Hawaii can also tha

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Now Your Turn SAMPLE DIALOG A: Most of the worlds rainforests are in danger of destruction by loggers, farmers and developers. They are disappearing at a rate of 100 acres a minute! B: What a tragedy! , Many of the worlds plant and animal species exi

60秒科学:Do Rainforests Create Rain?

Rainforests exist because it rains a lot and that makes the forests grow, right? Well, not so fast. What if its not the rain that makes the forestswhat if its the forests that actually generate the rain? Thats the contention of a paper in BioScience

Destruction of the Indonesian Forests

Broadcast: Jan 24, 2003 By George Grow This is the VOA Special English ENVIRONMENT REPORT. Two environmental groups blame dishonesty1 among Indonesian officials for the continued destruction of the co

VOA慢速英语2017 高科技实验室使用飞机绘制亚马逊地图

Looking at a rainforest from high in the sky, you might think all the trees look about the same. 从天空高处向下看热带雨林，你可能会觉得所有的树木都是一样的。 But they are not. 但它们是不同的。 Take, for example,

Module 6 Unit 2 The WWF is working hard to save them all

[00:00.00]Pandas are in danger.大熊猫正处于危险中。 [00:02.49]There are only about 1600 pandas in the wild today.现在只有大约1，600只大熊猫生活在野外。 [00:07.92]Zoos and research centres are looking after about 340 pandas.大

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Can Forests Help Feed the World? 森林能帮着为世界提供粮食吗? Experts predict nine billion people will live on our planet by 2050. They say by that time demand for food will be two times what it is now. Officials are worried about that pr

TED演讲:树木之间如何交流(6)

And then in later experiments, we found the opposite, 而在随后的实验中，我们发现了相反的情况， that fir was sending more carbon to birch than birch was sending to fir, 花旗松给纸皮桦送的碳比纸皮桦给它的碳多， a

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Hi, I'm Patty Kim. Today we are setting our sights on India, a land of deserts and rain forests, modern cities and ancient beliefs. With over a billion people, India is the world's largest democracy, and many say it's a travelers paradise. In truth,

林业相关英语词汇

The Ministry of Forestry 林业部 the National Forestation Commission 国家绿化委员会 Beijing Capital Greening Commission 北京首都绿化委员会 the Japanese Peace and Friendship Forest 日本和平友好绿化协会 the Green China Fund 中国绿化基金会 cover the cou

夏说英语新闻晨读 第325期:世界上最丑的猪

本期内容： Scientists have captured the first footage in the wild of one of the world's rarest - and ugliest - pigs. The Javan warty pig is under such threat from hunting and habitat loss that conservationists surveying its habitat believed it m

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Lesson 51 A Lump Of Coal 第51课 一块煤 Let us take a lump of coal in our hand. It is black in colour, and it will dirty our fingers a little, but we must not mind that. Coal is hard; but it breaks into pieces if we strike it with a hammer, and s

Nepal, China agree to work together for forest conservation

KATHMANDU, Feb. 25 (Xinhua) -- Nepal and China have agreed to strengthen and enhance the coordination in the fields of forest conservation and management. A joint meeting between the two neighbors was held in Kathmandu from Feb. 22 for the first time

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I'm in Alaska,wading through the most northern forests in the U.S. 我身在阿拉斯加 在美国最北部的森林中涉水穿梭 5,000 square miles of subpolar rainforest, 在这片五千平方英里的副极地森林中 the narrow strip between t