用Mp3背六级单词020

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VOA慢速英语2018--利用人工智能追踪世界上的野生动物

Artificial Intelligence Used to Track World's Wildlife Scientists have long struggled with how to measure the effects of climate change on wildlife. This is especially true for birds flying in and out of coastal areas bordering the Arctic Ocean. In t

万花筒 Kaleidoscope2007-10-24&10-25, 海岸巡逻队紧盯北极

A town of about 4,000 inhabitants on the edge of Alaskas North Slope, Barrow calls itself the top of the world. Its the northernmost settlement in the United States, one of the northernmost in the world. As temperatures continue to rise in the north

美国国家公共电台 NPR The Arctic Suicides: It's Not The Dark That Kills You

The Arctic Suicides: It's Not The Dark That Kills You play pause stop mute unmute max volume 00:0010:40repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin. RO

双语有声阅读:Life on the Tundra 接近北冰洋的冻土带

Tundra is the name given to the low, marshy plains of Europe, Siberia, and North America that border on the Arctic Ocean. In Alaska, the vast, cold region known as the Northern Slope is part of the tundra. Nature sets harsh terms for survival in this

VOA慢速英语2018 挪威将斥资数百万美元升级北极种子库

Norway to Invest Millions to Improve Arctic Seed Vault Norway has announced it will spend 100 million Norwegian crowns, or $13 million, to make improvements to a special seed vault in the Arctic. 挪威宣布斥资1亿挪威克朗（约1300万美元）

VOA常速英语2018--雪鸮：生活在北极的鸟类

From a birds eye view the vast Alaska tundra is nothing more than an endless flat surface symmetrical and seemingly uninhabited.However, a closer look shows that it is home to lots of busy creatures that live comfortably and the grass and pits filled

VOA标准英语2011--Melting Arctic Could be Major Source of Greenhouse Gases

Melting Arctic Could be Major Source of Greenhouse Gases The melting arctic permafrost could release methane-producing microbes with the potential to accelerate climate change, according to a new study published in Nature. Lead author Janet Jansson,

北极冰带的融化将加速全球变暖进程

北极冰带的融化将加速全球变暖进程 DATE=2/16/01 TITLE=SPECIAL ENGLISH ENVIRONMENT REPORT - Arctic Permafrost Melting BYLINE=Cynthia Kirk （Start at 59

美国有线新闻 CNN 2012-11-14

Two weeks after the so-called Superstorm Sandy hit the northeastern U.S. They are some signs of recovering in the region. Power has been restored for millions of people. Some bridges and tunnels have reopened. But signs of devastation and struggle ar

VOA慢速英语2011--Explorer Andrew Skurka Takes Hiking to a

STEVE EMBER: Im Steve Ember. BARBARA KLEIN: And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today on our program we meet an extreme hiker. He recently completed a more than seven thousand kilometer exploration of the state of Alaska an

VOA标准英语2010年-Greenland Ice Island Prompts Global Wa

A massive ice island has broken off the coast of Greenland. Heat waves, droughts and floods have been wreaking havoc across the globe in recent weeks, and now scientists say a 250 square kilometer island of ice has broken off from a glacier in Greenl

VOA英语2010年-Mummified Forest Reveals Clues About Climate

A discovery of a mummified forest that's between two and 10 million years old is giving scientists a new window on climate change. Joel Barker, a research scientist at the Byrd Polar Research Center at the Ohio State University, discovered the mummif

VOA标准英语2011--Scientists to Drill Huge Hole in Antarctic Ice

Scientists to Drill Huge Hole in Antarctic Ice Antarctica is the largest reservoir of glacial ice on the planet. An expedition of international scientists is headed to the frozen continent to study why its glaciers are retreating so fast. What they f

美国科学60秒 SSS 2013-05-10

The Arctic wasn't always covered in ice. Samples of settlement layer beneath the frozen lake show this region used to be a lot warmer and made by out in the future. The works in the general science. * gain a Russian lake 100 kilometers north of the A

【英语趣味课堂】以土地为生-Living off the Land

Todd: So you said that you were just eating the local plants. You would actually forage or you would look for food. How did you stomach feel? Like you know, you went from eating processed food or Westernized food to eating just stuff straight from th

ESL Podcast 179 – Shopping for a Cell Phone

Salesperson: Hi, have you been helped ? Greg: No, I havent. Im looking for a new phone. Salesperson: Are you with our company right now? Greg: No, Im thinking about switching . Salesperson: Okay, let me show you our most popular phone. This one has a

VOA标准英语2010年-Our World - 6 March 2010

Time again for our Website of the Week, when we showcase interesting and innovative online destinations. The world of physics has changed a lot since I went to school. More powerful particle accelerators atom smashers, they used to call them have all

英语读物《神奇树屋》 第十二册 Polar Bears Past Bedtime 07 spirit lights

Jack, you can get up now, said Annie. Jack opened his eyes. Annie was standing over him. She still had her mask on. We're on safe ground, she said. Jack felt as if he'd been dreaming. He lookedaround. They had reached the tundra at the edge ofthe fro

【英语时差8,16】极地海洋并非生态沙漠

The polar oceans are not biological deserts after all. A marine census released recently documented 7,500 species living in the Antarctic and 5,500 in the Arctic, including several hundred that researchers believe could be new to science. Most of the