单词：insulation current
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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
托福听力短文
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
英语范文背诵20篇
it is a pity that every summer a few people drown at the beach. In some cases, these people were good swimmers. So how did it happen? Riptide! Riptide is a strong underwater current. It moves quickly
赖世雄中级美国英语
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
Scientific American(五)月
I love the news and current events. Im addicted to whats happening in the world. It doesnt matter what kind of news it is, I love watching it. Even if its from countries Ive never heard of. Ill even watch the same news programme three or four times a
纯正英语一分钟
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
VOA2003（上）-社会广角
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)
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
老友记(六人行)
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
英语新闻
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
歌曲 ： Love One Another 艺人 ： A Current Affair 音乐星级 ： ★★★ 所属专辑 ： Life in an Hourglass 发行年代 ： 2007 风格 ： Alternative Rock 介绍 ： A Current Affair是一只来自美国加州的由5人组成的摇滚乐队。他们最初被当地的广播台挖掘，而广播台也因
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