单词：grounding insulation
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(woman) Thank you. It's great to see so many of you interested in this series on Survival in Outer Space. Please excuse the cameras - we're being videotaped for the local TV stations. Tonight I'm going to talk about the most basic aspect of survival
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13 Skyscrapers and Environment In the late 1960's, many people in North America turned their attention to environmental problems, and new steel-and-glass skyscrapers were widely criticized. Ecologists pointed out that a cluster of tall buildings in a
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James Kim is still missing in Oregon. But on Tuesday, searchers found what appeared to be his gray pants. And the search continues today on a remote area near the spot where Kim's wife and daughters w
万花筒2006年
From NPR News in Washington, I'm Barbara Klein. At least nine people have been killed and dozens injured by a bomb at a busy restaurant in Western India. Anti-terrorism forces have been dispatched to the scene and major cities around the country have
2010年NPR美国国家公共电台2月
In a landmark development within stem cell research, scientists say theyve used a cloning technique to make embryonic stem cells that match a patients DNA. The journal Nature highlights a study that shows the potential for using the technology to rep
2011年NPR美国国家公共电台10月
This is Scientific American 60-Second Science. I'm Cynthia Graber. This will just take a minute. The fridge is one of your home's biggest energy hogs. Better insulation can make refrigerators much more efficient. And a panel encasing a vacuum is one
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Broadcast: Jan 21, 2003 By Gary Garriott Drying food is a simple, low-cost way to keep food safe for eating. Drying removes water that small organisms use to break down food into other substances. Som
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中文 英文 缩写 地址空间 address space 地址栏 address field 地址流 address stream 地址路由标志/地址路由指示符 address routing indicator 地址码字 address code word 地址全
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President Obama traveled to Montana today to promote his administration's health care initiative, telling an audience at a town hall meeting there that the news media may have bear some of the blame for overemphasis on scenes of angry protesters at
2009年NPR美国国家公共电台8月
From NPR News in Washington, Im Renita Jablonsky. President Obama is revising his health overhaul plan to add some Republican proposals. But as NPRs Julie Rovner reports, theyre not likely to win many new votes. Mr. Obama said the changes were prompt
2010年NPR美国国家公共电台3月
1. Toyota has announced it will recall more than 400,000 Prius and other hybrid vehicles around the globe to fix brake problems. This recall is the latest in a string of embarrassing safety problems at the world's largest automaker. This recall invol
美联社新闻一分钟2010(二月)
Royal Dutch Shell PLCs $70 billion deal to buy BG Group PLC marks the most aggressive step yet in the competition to be the worlds dominant supplier of liquefied natural gasa fuel with a fast-growing and increasingly global market. 荷兰皇家壳牌公
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Science and technology 科学技术 Astrochemistry 天体化学 The great test tube in the sky 空中的大试管 Space is one big chemistry set 宇宙是一个很大的化学装置 MOST people think of the empty space between the stars as being, wel
经济学人科技系列
The One Where Ross Finds Out 本集简介： Chandler realizes he's put on some weight, so he agrees to let Monica be his personal fitness trainer. The results are great, but Monica is a bit too intense for Chandler's liking. Phoebe's dating a guy she
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Animal leather alternatives like Polyurethane and PVC leather may have solved the fashion industry's animal cruelty problem, but they are not the most environmentally friendly solutions. Pi?atex a new leather-like material made from pineapple leaves
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Hailey Ford, a 9-year-old girl from Bremerton, Washington, is hard at work building 11 small homes for the homeless. 来自华盛顿洲布雷默顿的9岁小女孩海丽 福特努力劳作，为无家可归的流浪汉们造了11间小房子。 She h
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BEIJING, March 4 (Xinhuanet) -- Well-educated and well-paid single Chinese women were at the forefront of a boom in travel by the country's women in 2010. According to the 2010 Trend Report of Women's Travel, the amount of travel by Chinese women inc
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Many houses in New Zealand are cold. Our traditional wooden house had no insulation. If you live in a house like that, you are paying for heat to escape from the ceiling, walls and under the floor. Insulation is made from material like wool or fibreg
新西兰英语
The UK government has said that from 2014, it will ban calculators in maths tests for primary school children in England. All 11-year-olds sit three maths tests. Pupils are allowed to use a calculator in the hardest of these. A sample question is: Ti
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