海水有机胶体

By Mario Ritter Broadcast: July 8, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Recently, a listener in Nigeria told us about an organization called World-Wide Opportuniti

发表于:2018-12-07 / 阅读(127) / 评论(0) 分类 VOA2003(下)-农业与经济

US Navy Lab Turns Seawater Into Fuel 美国海军实验室成功将海水转变成燃料 For centuries, alchemists have tried to turn lead into gold. That transmutation has long been proven impossible, but another similar dream - turning water into f

发表于:2018-12-08 / 阅读(97) / 评论(0) 分类 VOA标准英语2014年(五月)

AS IT IS 2014-08-02 Americans Test Seawater for Fukushima Radiation 美国欲测试福岛辐射值 It has been more than three years since the nuclear accident at the Fukushima power station in Japan. Millions of liters of radioactive cooling water f

发表于:2018-12-16 / 阅读(85) / 评论(0) 分类 2014年VOA慢速英语(八)月

The Great Pacific Garbage Patch may be disappearing, and not in a good way. New research presented at the biannual meeting of the American Chemical Society reveals that polystyrene actually can break down in seawater. Polystyrene is probably better k

发表于:2018-12-24 / 阅读(126) / 评论(0) 分类 Scientific American(八)月

It's been protected from human impact since 1909. With three million acres, nearly a half million under water, Superior National Forest is largely unspoiled. But now the survival of this national treasure rest with those who would see some of it bur

发表于:2018-12-30 / 阅读(101) / 评论(0) 分类 国家地理2008年

Fish raised in the more acidic seawater that would result from higher carbon dioxide levels forget to flee predators. More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the grow

发表于:2019-01-02 / 阅读(92) / 评论(0) 分类 60秒科学

The United States space agency says its Mars exploration vehicle has discovered chemical substances necessary for life. Scientists reported that NASAs Curiosity rover found large amounts of organic molecules in 3.5 billion-year-old rock in an area ca

发表于:2019-01-03 / 阅读(99) / 评论(0) 分类 2018年VOA慢速英语(六)月

Broadcast: Mar 17, 2003 Rain hits the 1) shingles on the large covered porch that leads up to David Masumoto's farmhouse. From the porch he can see 90-year-old 2) raisin 3) vineyards his family has te

发表于:2019-01-03 / 阅读(151) / 评论(0) 分类 VOA2003(上)-科技先知

More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the growth of corals. And it turns out acidic seawater also makes clownfish and damselfish suicidally bold and reckless, accor

发表于:2019-01-08 / 阅读(112) / 评论(0) 分类 Scientific American(七)月

More government support, including subsidies and a favorable pricing mechanism, is needed for the country to use desalinated seawater to quench its thirst, a top industry expert said。 The lack of an effective pricing mechanism for desalinated water

发表于:2019-01-08 / 阅读(90) / 评论(0) 分类 英语笔译

今天我们要学的词是organic。 Organic, 有机的,绿色的。 Organic product, 有机产品。近年来,美国很多消费者开始崇尚绿色、有机食品。不过,统计数字显示, Organic food accounted for only 3.5% of the fo

发表于:2019-01-11 / 阅读(120) / 评论(0) 分类 英语每日一词

More Land Being Used for Organic Farming More land around the world is being dedicated to organic farming. The Worldwatch Institute says since 1999 theres been a more than three-fold increase to 37 million hectares. Organic farming is farming without

发表于:2019-01-13 / 阅读(116) / 评论(0) 分类 VOA标准英语2013年(一月)

AILSA CHANG, HOST: When I think of my favorite foods, I can tick off my favorite Chinese dishes, Mexican dishes, Italian dishes. But if you asked me what Native American dish I enjoy most, I'd be stumped. There's a growing number of Native chefs who

发表于:2019-01-16 / 阅读(85) / 评论(0) 分类 2017年NPR美国国家公共电台1月

SCOTT SIMON, HOST: Organic milk is widely available these days, but what does that label really mean? A new Washington Post investigation found that there are considerable differences between the organic milk you can buy in a grocery store and the ki

发表于:2019-01-17 / 阅读(90) / 评论(0) 分类 2017年NPR美国国家公共电台5月

Voice 1 Hello. Im Marina Santee. Voice 2 And Im Elizabeth Lickiss. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Milk chocola

发表于:2019-01-19 / 阅读(108) / 评论(0) 分类 环球英语 Spotlight

Over-use of groundwater may cause landslides. However, in costal areas it also brings seawater intrusion. Let's take a look at the problem with our reporter Zhang Wan. In a village in the costal area of Dalian, Liaoning Province, many villagers compl

发表于:2019-01-19 / 阅读(122) / 评论(0) 分类 英闻天下

AGRICULTURE REPORT - Compost: an Organic Way to Better Soil and Crops By Gary Garriott Broadcast: Tuesday, July 05, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Many farmers im

发表于:2019-01-30 / 阅读(188) / 评论(0) 分类 农业与发展

Packed with proteins and minerals,oysters are the perfect survival food, 牡蛎富含蛋白质和矿物质 是绝好的救生食品 and there's an almost endless supply. 而且几乎取之不尽 It'd be nicer sharing it with the love of your life and

发表于:2019-02-15 / 阅读(97) / 评论(0) 分类 荒野求生

A huge meteorite crashed into the Atlantic Ocean. Babies who were sound asleep in Asia heard the impact. The meteorite went through the ocean bottom. It created a hole deep in the Earth. All the seawater from the Atlantic started rushing into the hol

发表于:2019-02-15 / 阅读(94) / 评论(0) 分类 英文短篇故事(纽约)

Water is so vital to us that it is easy to overlook that all but the smallest fraction of the water on Earth is poisonous to us, 水对我们太重要了,因此我们不容易注意到,地球上绝大部分的水对我们来说都是有毒的,

发表于:2019-02-25 / 阅读(101) / 评论(0) 分类 万物简史