We are here in the wilderness in the Rocky Mountains, observing nature's impressive architects and engineers: beavers. By creating this pond they are preventing soil from being washed away and they are creating a place where new plants and insects ca

发表于:2018-12-30 / 阅读(120) / 评论(0) 分类 国家地理2007年

JUDY WOODRUFF: The Great Barrier Reef along the coast of Australia is considered one of the greatest natural wonders of the world. It actually consists of more than 2,900 smaller reefs and 900 islands and countless species of fish. But its health and

发表于:2018-12-31 / 阅读(54) / 评论(0) 分类 PBS访谈环境系列

Scientists Help Insects to Help Colorado River Fish Fish need insects for food. So, healthy rivers have healthy insect populations. However, in the United States, part of the Colorado River has an insect shortage that has left many fish without food.

发表于:2019-01-03 / 阅读(74) / 评论(0) 分类 2018年VOA慢速英语(五)月

This is the story of two deals and the future of healthcare in the UK. 这是一个关于两笔交易以及英国医疗卫生事业未来的故事。 The first was made in September 2015, under which three UK hospitals in the Royal Free NHS Trust han

发表于:2019-01-03 / 阅读(87) / 评论(0) 分类 实用英语

Fewer Creatures in Future Oceans Could Provide Less Food 海洋生物大量减少在未来只能提供更少的食物 Warming oceans will cause big changes in the biodiversity of sea life. That is a finding from the largest study ever of marine plant

发表于:2019-01-12 / 阅读(46) / 评论(0) 分类 2015年VOA慢速英语(九)月

Where Have All the Bees Gone? 蜜蜂都哪去了? Bees play an important part in the growth of crops. About 4,000 wild bee species are native to North America. Other bee species on the continent were imported from Europe to produce honey. Bees also s

发表于:2019-01-12 / 阅读(62) / 评论(0) 分类 2015年VOA慢速英语(四)月

More Surprises from the Deep Sea Researchers hired to study part of the deep sea floor of the Pacific Ocean found a surprising number of new animal species. Scientists at the University of Hawaii at Manoa studied a 900-square-kilometer area in the ea

发表于:2019-01-12 / 阅读(92) / 评论(0) 分类 2016年VOA慢速英语(八)月

AS IT IS 2016-09-21 Indonesia Strikes Down Plans for Development in Rainforest 印度尼西亚罢工,计划发展热带雨林 Indonesias Leuser Ecosystem is one of the few places where tigers, orangutans, elephants and rhinoceros all live in the wild

发表于:2019-01-12 / 阅读(81) / 评论(0) 分类 2016年VOA慢速英语(九)月

Insect exoskeletons also work like body armor, 昆虫的外骨骼就像保护身体的盔甲一样 protecting insects against the outside world and helping them cope with habitats that other creatures can't. 抵御外部环境的伤害,帮助它们应

发表于:2019-01-17 / 阅读(82) / 评论(0) 分类 TED演讲教育篇

In the '50s, we started investing in hydropower, 在五十年代时,我们开始投资水电工程, and that kept us away from the trap of using fossil fuels for electricity generation, 这也使我们避免陷入使用石油来发电的困局,

发表于:2019-01-18 / 阅读(61) / 评论(0) 分类 TED演讲国际问题篇

In Saskatchewan, as across all of the boreal, home to some of our most famous rivers, 横跨北方森林的萨克其万省,拥有一些著名湖泊, an incredible network of rivers and lakes that every school-age child learns about, the Peace, th

发表于:2019-01-18 / 阅读(69) / 评论(0) 分类 TED演讲商业篇

In the 1600s, there were so many right whales in Cape Cod Bay off the east coast of the U.S. that apparently you could walk across their backs from one end of the bay to the other. Today, they number in the hundreds, and they're endangered. Like them

发表于:2019-01-24 / 阅读(71) / 评论(0) 分类 英语语言学习

Have you ever said, I know it like the back of my hand? Well, how well do you know the back of your hand? Or the back of your knee? Or behind your ears? Probably not as well as scientists at the National Institutes of Health who just completed a sur

发表于:2019-01-30 / 阅读(113) / 评论(0) 分类 60秒科学

Amazon today announced the Fire Phone, an Android-based device that features an innovative dynamic perspective imaging, a revamped UI, and, not surprisingly, strong integration with Amazons ecosystem, including Mayday live help. It will be available

发表于:2019-02-04 / 阅读(54) / 评论(0) 分类 英语新闻

1. Why that two-timing! 为什么那么不专情。 2. Don't let it get you down. There are plenty of fish in the sea。 别让这件事影响你的情绪。天涯何处无芳草。 3. Are you cheating on me? Because I've been hearing some rumors。 你

发表于:2019-02-07 / 阅读(83) / 评论(0) 分类 英语新闻

Forget Nessie: there's another insidious creature living in the waters of Scotland. The story starts in the streams and lakes of the northwestern United States, where North American signal crayfish are a familiar sight. Turn over a rock and you may w

发表于:2019-02-07 / 阅读(49) / 评论(0) 分类 英语新闻

Every year, TIME selects the best inventions that are making the world better, smarter andin some casesa little more fun. Here's which ones made this year's unranked list. 每年《时代》周刊都会选出让世界变得更美好、更智能或者更

发表于:2019-02-07 / 阅读(94) / 评论(0) 分类 英语新闻

动物保护类 1.vivisection 活体解剖 2.perform. experiments on animals 在动物身上做试验 3.test animals 用于实验的动物 4.be subjected to experiments 被迫接受试验 5.animal rights 动物权利 6.clinical research 临床研究

发表于:2019-02-09 / 阅读(96) / 评论(0) 分类 雅思英语

Nature conservation 保护自然 The constant gardener 永恒的守护者 The future of wilderness 荒野的未来 Sep 17th 2011 | from the print edition Rambunctious Garden: Saving Nature in a Post-Wild World. By Emma Marris. Bloomsbury; 224 pages;

发表于:2019-02-17 / 阅读(112) / 评论(0) 分类 经济学人综合

Directions: For this part, you are allowed 30 minutes to write a composition on the topic Keeping Pets. You should write at least 150 words and you should base your composition on the outline below: 1. 有些人赞成养宠物 2. 有些人反对养宠物

发表于:2019-02-19 / 阅读(64) / 评论(0) 分类 英语作文