人工濬渫港

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

发表于:2018-12-02 / 阅读(159) / 评论(0) 分类 2007年NPR美国国家公共电台

He published journals and identified the remains of a massive temple dedicated to the God Amon. As Montet's work progressed, his fame and reputation spread across the world. The more his teams excavated, the more statues and obelisks of Ramesses the

发表于:2018-12-05 / 阅读(235) / 评论(0) 分类 遗失的法老城市

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

发表于:2018-12-07 / 阅读(139) / 评论(0) 分类 创新英语

This is Orkney to live here is to know the importance of the sun. 这是奥克尼,住在这里的人对太阳的重要性了然于心 In the summer the days are long and full of light. 夏季时,这里的白昼漫长明亮 In December it's a diff

发表于:2018-12-07 / 阅读(53) / 评论(0) 分类 2006年慢速英语(五)月

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

发表于:2018-12-16 / 阅读(62) / 评论(0) 分类 VOA标准英语2015年(一月)

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

发表于:2019-01-02 / 阅读(178) / 评论(0) 分类 60秒科学

THE MAKING OF A NATION - May 2, 2002: Pearl Harbor to Europe By David Jarmul VOICE 1: THE MAKING OF A NATION -- a program in Special English by the Voice of America. (Theme) Japan's attack on Pearl Ha

发表于:2019-01-06 / 阅读(112) / 评论(0) 分类 The Making of a Nation

This is Scientific Americans 60-Second Science, Im Cynthia Graber. Thisll just take a minute. Clues about modern-day tuberculosis could be found in some 6,000 year old bones. Israeli, Palestinian and German scientists have teamed up to investigate th

发表于:2019-01-08 / 阅读(83) / 评论(0) 分类 Scientific American(八)月

By Yi Suli Boston, Massachusetts 21 November 2006 watch Boston Harbor Islands Boston Harbor Boston Harbor, in the northeastern state of Massachusetts, is one of the busiest seaports on the east coast of the U.S. Dotting the harbor are a number of is

发表于:2019-01-12 / 阅读(132) / 评论(0) 分类 2006年VOA标准英语(十一月)

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

发表于:2019-01-14 / 阅读(156) / 评论(0) 分类 VOA标准英语2011年(四月)

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

发表于:2019-01-14 / 阅读(109) / 评论(0) 分类 VOA标准英语2011年(二月)

No, FDR Did Not Know The Japanese Were Going To Bomb Pearl Harbor play pause stop mute unmute max volume 00:0003:37repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flas

发表于:2019-01-16 / 阅读(97) / 评论(0) 分类 2016年NPR美国国家公共电台12月

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

发表于:2019-01-19 / 阅读(92) / 评论(0) 分类 VOA常速英语2008年(二月)

Government-funded researchers hope to commercialize an idea called a mobile harbor. The developers aim to expand global shipping options while reining in carbon emissions. Kurt Achin | Seoul 04 January 2010 A computer simulation demonstrates how smal

发表于:2019-01-20 / 阅读(80) / 评论(0) 分类 VOA标准英语2010年(一月)

Science and Technolgy 科技 What dinosaurs ate 恐龙吃什么 The belly of the beast 腹中发现 A chance discovery from China suggests some dinosaurs lived in trees 在中国的一次偶然发现暗示着有些恐龙在树上生活 WHAT dinosaurs

发表于:2019-01-26 / 阅读(60) / 评论(0) 分类 经济学人商业系列

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

发表于:2019-01-30 / 阅读(90) / 评论(0) 分类 英语单词荟萃

70th Anniversary of Pearl Harbor Approaches On Dec. 7, 1941, the Imperial Japanese Navy staged a surprise attack on the U.S. naval base at Pearl Harbor. Five U.S. battleships sank or were severely damaged, several hundred warplanes were destroyed and

发表于:2019-02-04 / 阅读(84) / 评论(0) 分类 VOA标准英语2011年(十二月)

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

发表于:2019-02-12 / 阅读(155) / 评论(0) 分类 VOA标准英语2011年(十一月)

Memorial anniversary By Yunzheng Chen On my friend Hayleas book was a photo of a young American girl. Who is this? I asked. She was our classmate, but unfortunately she died last year, replied Haylea with a sad expression. Her name was Jennifer. She

发表于:2019-02-19 / 阅读(109) / 评论(0) 分类 阅读空间

Dining Room Table Clearing Tips eclaim Your Dining Room Table! I just came back into my dining room after making a phone call. Today is the day my assistant is working in my office so I took all my to dos and spread them on the dining room table. As

发表于:2019-02-19 / 阅读(81) / 评论(0) 分类 阅读空间