标签：Ecosystem 相关文章
Technology Report - Tablet Computers Most Wanted Gift This Holiday 科技报道 - 平板电脑继续引领节日礼物市场 From VOA Learning English, this is the Technology Report in Special English. 这里是美国之音慢速英语科技报道。
2012年VOA慢速英语(十二)月
NOEL KING, HOST: Before Hurricane Maria devastated the island of Vieques in Puerto Rico, it was a big tourist destination. It was best known for its glowing bay. Mosquito Bay is home to one of the world's brightest bioluminescent bays. NPR's Merrit K
2017年NPR美国国家公共电台12月
Tens of trillions of microbes call our living bodies home. But when we die? The first thing that happens is basically ecosystem collapsewhere you have a tremendous loss of diversity. Nathan Lents, a molecular biologist at John Jay College in New York
2016年Scientific American(十二)月
Rescuers Work to Save Wildlife Affected by California Oil Spill SAN DIEGO Dead animals have been found almost daily since a pipeline failed May 19, releasing thousands of gallons of crude oil into the ocean and beaches of central California. While it
VOA标准英语2015年(五月)
California's Silicon Beach Is Growing Hub for Tech Start-Ups On the west side of Los Angeles, people from around the world come for the beach, year-round sunshine and warm weather. This also is where Gregg Spiridellis and his brother operate the onli
VOA标准英语2012年(七月)
科学家发明海底机器人圆梦儿时寻宝探险梦想 The underwater robot called Trident grew out of a 1970s magazine article about a treasure hunt. 这个名为Trident的水下机器人的设计理念源于20世纪70年代当时杂志刊登的
VOA标准英语2016年(一月)
Killer Cats: Cats Kill Up To 3.7 Billion Birds Each Year 杀手猫：猫每年杀死37亿只禽类 Its time to go again to the A Moment of Science mailbag. A listener writes: 又到了《科学一刻》听众来信时间了。一位听众写道： De
初学者听力文摘精选
By Nick Wadhams Nairobi 25 September 2007 Plans for a sugar factory in Kenya's Tana River Delta have ignited a bitter dispute between conservation groups and economic officials. As Nick Wadhams reports from Nairobi, opponents argue development could
2007年VOA标准英语（九月）
By June Soh Washington, DC 09 July 2007 The United States Botanic Garden located across from the U.S. Capitol is one of the many tourist attractions in Washington, D.C. Visitors can see thousands of beautiful and fascinating plants in the garden and
2007年VOA标准英语（七月）
Back now with Day to Day I'm Madeleine Brand The software company Sun Microsystems announced a new strategy today. After ten years of fiercely guarding its Java technology, Sun now plans to give it away. Marketplace's Amy Scott joins me now. First of
2006年NPR美国国家公共电台
By Jeff Swicord Glacier National Park, Montana 03 September 2007 National parks in the United States are revered for their natural beauty and wildlife. They are fragile ecosystems that are cared for and preserved for future generations. Because of th
2007年VOA标准英语（九月）
Study: Nature Creates Buffer Against Climate Change The study focused on semi-arid ecosystems which cover 40 percent of the planet and support 40 percent of the human population. Co-author David Eldridge, with the School of Biological, Earth and Envi
VOA标准英语2012年(一月)
Humans Driving Massive Animal Extinction Earth is in the midst of its sixth mass extinction of animal species -- the first to be caused by humans -- in the past half-billion years, setting off a downward spiral in the environment and human health, wh
VOA标准英语2014年(七月)
A MARTINEZ, HOST: There are few places on Earth where the impact of climate change is more noticeable than along the Great Barrier Reef. It's the planet's largest living organism that now has become the world's largest dying organism. In the past 18
2017年NPR美国国家公共电台7月
For thousands of years, this powerful current has regenerated the reef. But it can not repair everything. Beneath the waves lie deeper scarsthe largest coral reef on Earth is home to a dazzling diversity of marine species, some found nowhere else on
自然百科2011年
By Cathy Majtenyi Kampala, Uganda 08 June 2007 In Uganda, there is widespread opposition over a proposal to allow part of the Mabira Forest Reserve to be clear-cut for sugar cane growing. Opponents say the move will destroy a delicate and unique Afri
2007年VOA标准英语（六月）
By Alex Villarreal United Nations 14 May 2008 The United Nations is looking for innovative ways to combat global warming. One initiative aims to plant seven billion trees worldwide - nearly one for every person on the planet. From U.N. Headquarters i
VOA标准英语2008年（五月）
KELLY MCEVERS, HOST: If the story of Russian influence in the 2016 election makes you uneasy, Clint Watts will not make you feel much better. The former FBI agent is now a senior fellow at the Foreign Policy Research Institute. He testified before th
2017年NPR美国国家公共电台4月
Lion Conservation Challenges Giraffe Protection The giraffe is an icon of the African savannah. The lion is the top predator of the ecosystem. Both animals face uncertain futures, and both are subjects of intense, ongoing conservation work. Now a stu
2018年科学美国人2月
A Russian mini-submarine reached the bottom of Lake Baikal, setting a record for the deepest dive in a lake. The Mir-2 has reached the bottom of Lake Baikal at a depth of 1,680 meters (5,512 feet), ITAR-TASS reported from the barge where the submarin
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