2007年NPR美国国家公共电台一月-A Broken Foot, an Artificial Leg, and a R

Recording technology has changed a lot over the years, but you can still do one essential thing. You sit in front of a microphone and you tell a story, which here we are again this Friday morning because it's time for StoryCorps. It's an oral history

闭着眼睛飘单词 四级词汇5

[0:0]arithmetic arouse arrange算术 引起,唤起 安排,准备 [0:37.8094]arrest artificial artistic aspect逮捕,拘留 人工的,人造的 艺术的,美术的 方面,面貌 [1:31.0307]assemble assembly assess asset混合,聚集 立法机构,议会 对...估价 人价值的,优点 [2:22.6436]as

创新英语-Scientists Create Energy-Making Artificial Leaf

Scientists at the Massachusetts Institute of Technology (MIT) have created what could be a breakthrough in providing clean, alternative energy. Researchers have invented an artificial leaf that splits water into hydrogen and oxygen and stores the ene

VOA标准英语2015--Researchers Create Artificial Skin With Sense of Touch

Researchers Create Artificial Skin With Sense of Touch Scientists have recently made considerable gains in creating human-like artificial limbs, but they still look and feel artificial. That could change with a development from South Korea. Researche

新目标初中英语九年级--Unit 7 Where would you li

Unit 7 Where would you like to visit? [00:04.88]SECTION A [00:07.84]1b Listen.Where would San,Gina,and Lydia like to go on vacation? [00:17.71]Why?Fill in the chart. [01:00.55]2a Listen and number these statements in the order that you hear them. [01

60秒科学:Artificial Muscle Brings Back Blink

Artificial Muscle Brings Back Blink A study in the Archives of Facial Plastic Surgery reports the development of an artificial muscle system that could restore the ability to blink to stroke and injury patients. Cynthia Graber reports Most of us blin

VOA常速英语2008年-France to Double Food Aid

By Lisa Bryant Paris 18 April 2008 French President Nicolas Sarkozy says his country will double emergency food aid to meet a crisis sparked in several developing countries over sharply rising food prices. Lisa Bryant has more on Mr. Sarkozy's remark

美国国家公共电台 NPR A Wayward Weedkiller Divides Farm Communities, Harms Wildlife

SCOTT SIMON, HOST: This summer in Arkansas, a weed-killing chemical called dicamba drifted across the landscape and damaged millions of acres of crops. And the injury went deeper. It split rural communities. It destroyed friends and took a toll on th

Robots in the Field: Farms Turning to Autonomous Technology

Farmer Jamie Butler is testing a new worker on his farm in Englands Hampshire countryside. Butler hopes the new worker will help the 180-hectare farm produce more wheat and not harm the environment. The laborer does not say a thing while inspecting B

VOA标准英语2010年-London Begins Two-Year Countdown to 20

Sports stars and politicians are in London to tour the Olympic Park construction site, where in exactly two years athletes from around the world will compete in the 2012 Games. Despite cost concerns, British authorities say they are ahead of schedule

Artificial Leaf Turns Sunlight into Electric Power

Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani

VOA标准英语2011--Artificial Blood Vessels Work Well, Have

Scientists say they have successfully tested artificial blood vessels grown in the laboratory. In a heart bypass operation, surgeons typically remove a vein from a patient's leg and use it to replace blocked arteries that feed the muscles of the hear

VOA常速英语2008年-Rat Study Links Weight Gain to Artificial Sweet

By Melinda Smith Washington, DC 15 February 2008 Obesity is becoming a worldwide problem, even in developing countries. But diet drinks and food prepared with sugar substitutes do not seem to help curb people's appetites. Now a new study may provide

学个词Learn a Word 第1713-artificial

今天我们要学的词是 artificia。Artificial 人造的。artificial intelligence 人工智能。不久前，The FDA approved a new artificial retina device that would help some people regain part of their sight. 美国食品和药物管理局批准

AGRICULTURE REPORT - Cover Crops

AGRICULTURE REPORT - Cover Crops By Mario Ritter Broadcast: Tuesday, March 23, 2004 This is Steve Ember with the VOA Special English Agriculture Report. The idea to grow a crop that improves the land

AGRICULTURE REPORT - Food for Crops: How to Get the Most Fro

AGRICULTURE REPORT - Food for Crops: How to Get the Most From Organic Fertilizer By Mario Ritter Broadcast: Tuesday, August 23, 2005 I'm Shep O'Neal with the VOA Special English Agriculture Report. Th

VOA标准英语2008年-Zimbabwe Food Aid Ban May Hamper Future Distrib

With many people in Zimbabwe at the point of starvation, a government ban on field work by relief organizations is putting them at further risk. As Peta Thornycroft reports for VOA, even if the restrictions are lifted now, humanitarian groups say it

VOA标准英语2011--Artificial Speech Mimics Real Thing

Artificial Speech Mimics Real Thing 合成声音发展渐入佳境 未来虚拟声音真假难辨 At a University of Arizona laboratory, Professor Brad Story analyzes the voices of singers, actors and public speakers both live and on audio tape. 在亚

VOA双语新闻 ---France to Double Food Aid

French President Nicolas Sarkozy says his country will double emergency food aid to meet a crisis sparked in several developing countries over sharply rising food prices. Mr. Sarkozy's remarks made at a major international conference in Paris. 法国总

Ineffectual Aid

Duke Mu of the state of Lu sent his sons to the states of Jin and Chu to occupy high positions in their governments．His minister Li Chu said，If your son is drowning and you send for a man from the state of Yue so far away to come and save the chi