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

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

可乐与微笑

我又一次陷于两头都够不上的中间境遇，作为六个孩子中的老四，很多事情对我来说不是因为年龄太小，就是太大而不合适。那天夜里就是这样。我的两个小兄弟在屋里睡觉，我的另外三个长

SSS 2011-04-11

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Landfills produce methanewhich can be valuable as an energy source. But scientists haven't known why landfills make so much methane. The solid waste in

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

情感美文:A Coke and a Smile可乐与微笑

A Coke and a Smile I know now that the man who sat with me on the old wooden stairs that hot summer night over thirty-five years ago was not a tall man. But to a five-year-old, he was a giant. We sat side by side, watching the sun go down behind the

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

【荆棘鸟】第二章 27

In the kitchen the boys were sitting glumly around the table, and Paddy's chair was empty. So was Frank's. Meggie slid into her place and sat there, teeth chattering in fear. After breakfast Fee shooed them outside dourly, and behind the barn Bob bro

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

Return of the Native

A man who was born in the state of Yan grew up in the state of Chu．At his old age he decided to return to the state of Yan．On his way he passed the state of Jin．His fellow travellers played a trick on him．They pointed at a city of the state o

“潜规则”之职场八条

职场中有些不成文的规则，初入职场的新人，在工作上遇到最多的麻烦，往往是不小心违反了这些规则，而非在事情本身上犯错。 Sports have unwritten rules. In baseball, jogging slowly around the bases afte

心胸要开阔

My best friend Larry is exceptionally small. We're in the fifth grade, but Larry is as short as a first grader. Although his body is small, Larry is big at heart. He has a sharp mind, too. All the kids who know Larry like him a lot. Sometimes he gets

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

A coke and a smile--英语阅读

我又一次陷于两头都够不上的中间境遇，作为六个孩子中的老四，很多事情对我来说不是因为年龄太小，就是太大而不合适。那天夜里就是这样。我的两个小兄弟在屋里睡觉，我的另外三个长

Non-crying cry 男人的哭泣方式

Real men don't cry. We just get something in our eye A short walk from my house in Hampshire, on a hill overlooking the heathland, is a plaque marking the spot where Richard Pryce Jones deliberately crashed his Halifax bomber during the war. He could

英语美文：可乐与微笑

A Coke and a SmileI know now that the man who sat with me on the old wooden stairs that hot summer night over thirty-five years ago was not a tall man. But to a five-year-old, he was a giant. We sat side by side, watching the sun go down behind the o