单词：production technology of high grade zinc oxide
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This is Scientific American's 60-Second Science. I'm Karen Hopkin, this'll just take a minute. On February 8th, we told you about scientists who had created a device worn over the knees that could harvest the energy you otherwise waste while walking.
Scientific American(二)月
One main goal in the renewable energy field is to find an efficient, inexpensive way to split water into hydrogen and oxygen. The hydrogen could then be used as a fuel source for vehicles or fuel cells. Typically, an electric current breaks the water
60秒科学
By Carol Pearson Washington 04 July 2007 Researchers have found that chocolate dark chocolate is good for your heart. They say it may stave off hardening of the arteries among smokers, and it has more antioxidants per gram than red wine, green tea or
2007年VOA标准英语（七月）
One main goal in the renewable energy field is to find an efficient, inexpensive way to split water into hydrogen and oxygen. The hydrogen could then be used as a fuel source for vehicles or fuel cells. Typically, an electric current breaks the water
Scientific American(四)月
Everyone talks about how kids these days use technology much more than in the past, but when I think back to my childhood, I remember how technology was a huge part of my life. The first thing is the cassette tape, especially when I was in high schoo
原版英语对话1000个
Are the ceremonies a good way to recognize success in school? Or do they waste money and send the wrong message? Transcript of radio broadcast: 02 July 2008 This is the VOA Special English Education Report. In the United States, middle school is the
VOA慢速英语2008年（七）月
SCIENCE IN THE NEWS - Discovery That Stored Blood Loses a Life-Saving Gas Could Solve Mystery By Lawan Davis, Soo Jee Han and Caty Weaver / Broadcast: Mon, 12 Nov 2007 16:00:00 UTC VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm S
VOA慢速英语2007年（十一）月
Eat Nuts to Stay Healthy 吃坚果有助保持健康 From VOA Learning English, this is the Health Lifestyle report. People have long known that nuts are part of a healthy diet. However, scientists in the Netherlands recently found that you do not ne
2015年VOA慢速英语(七)月
By Mil Arcega Washington 25 May 2007 Technology and high gasoline prices are helping to coax hard-to-extract oil from California's oil fields. Production at some of the state's older oil fields is expected to dry up in about 25 years, but Chevron say
2007年VOA标准英语（五月）
Sunscreen comes in many forms, each with its own impacts on your body and the environment. 防晒霜有很多种，每种对你的身体和环境影响各有不同。 With so many options, how do you choose which sunscreen is best for you? 有了这么
TED演讲教育篇
By Naomi Schwarz Ouagadougou, Burkina Faso 14 June 2007 African governments looking for ways to decrease corruption and improve the lives of their citizens are increasingly turning to the idea of e-government, the use computers and the Internet to ex
2007年VOA标准英语（六月）
> 29 大城市对周围农村农作物生长的影响 DATE=5-29-01 TITLE=AGRICULTURE REPORT - Pollution and Crops BYLINE=Jill Moss （Start at 59
自然探索
By Sabina Castelfranco Rome 22 April 2008 OPEC Secretary General Abdalla Salem el-Badri says the cartel plans to boost its oil production targets by five million barrels a day by 2012. He was speaking on the final day of the International Energy Foru
VOA常速英语2008年（四月）
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VOA2004（上）--各类新闻
Here are some facts about sweet potatoes you probably don't know: 这里有一些关于红薯你可能还不知道的事实： Sweet Potatoes Originated in the Americas 红薯起源于美洲 They're in the family of plants that includes morning glori
阅读空间
Offering Substitute 提供代用品 Specimen Letters1. Offering Rayon in Place of Watered Silk提供人造丝代替水洗丝Dear Sirs,Thank you for your fax of yesterday (April 3) with your order No.456 for 5,000 metres of 100cm wide watered silk. We
实用英语
18招促环保（双语） 我们中的每个人都应该对自己日常生活活动和选择所产生的温室气体负责。因此，防止气候变化需要地球上的每个人共同来努力。在中国，平均每户每年的碳排放量是2.41吨
实用英语
By Jessica Berman Washington 13 February 2008 Scientists in the United States say they have developed fabrics that can generate electricity. Researchers say they have harvested enough electricity to power small electronic devices such as an mp3 playe
VOA常速英语2008年（二月）
Senior leader launches high-end automobile production base BEIJING, Oct. 27 (Xinhua) -- Senior leader Jia Qinglin has officially launched a high-end production base for Beijing Automotive's Chinese branded automobiles. Jia, a member of the Standing C
英语新闻
Everyone talks about how kids these days use technology much more than in the past, but when I think back to my childhood, I remember how technology was a huge part of my life. The first thing is the cassette tape, especially when I was in high schoo
英语访谈对话