单词：organic matter diagenesis
单词：organic matter diagenesis 相关文章
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
VOA2003（下）-农业与经济
Blended Organic-Conventional Farming Could Feed World In rural Maryland, an hour-and-a-half drive from Washington, Bill Mason is tilling his fields to plant organic maize and soybeans. About two-thirds of his 340 hectares are organic, but not all of
VOA标准英语2012年(六月)
By Steve Baragona Washington 29 October 2009 Garden pest As farmers across the United States are bringing in the harvest, silos are filling up with record or near-record quantities of corn and soybeans. To an extent not seen anywhere else in the wor
VOA标准英语2009年(十月)
Podcast is sponsored from the people of American Chemistry, who provide the plastics, medicines, and innovations that make life modern. Learn more at americanchemistry. com. This is Scientific American's 60-Second Science, Im Karen Hopkin. This will
Scientific American(七)月
(man) Today I want to discuss fossil fuels such as coat, oil, and natural gas. The term fossil fuel refers to the trapped remains of plants and animals in sedimentary rock. You see, living plants trap energy from the sun by the process of photosynth
托福听力短文
The subject of many people's conversations is the flu. Everybody is talking about it. The clinics and hospitals are full of people who have flu symptoms, and supermarkets have shelves full of medicines, tissues(1), and vitamin powders. I've been luck
英语博客 A cup of English
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
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
VOA2003（上）-科技先知
Australian scientists say an organic compound used by Indian women to paint dots or bindi on their foreheads could hold the key to a breakthrough in cancer treatment. Rose Bengal was first used in the early 1900s as a dye for food, textiles and cosm
VOA标准英语2008年（八月）
AGRICULTURE REPORT – June 25, 2002: Organic Farming Study By George Grow (Photo -Scott Bauer) This is the VOA Special English Agriculture Report. Agricultural scientists in Switzerland have demonstr
农业与发展
A melon field is pictured at a farm in the village of Djilakh, 80km south of Dakar, Senegal on 22 Apr 2008 (file photo) African farmers are making more money producing organically grown crops for European markets, where demand for healthier food is g
VOA标准英语2010年(四)月
AGRICULTURE REPORT — November 12, 2002: Organic Food Labeling By Mario Ritter This is the VOA Special English Agriculture Report. Last month, Secretary of Agriculture Ann Veneman announced a program
农业与发展
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 f
英语单词荟萃
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
英语每日一词
MobileRestaurantRedefinesGreen,Organic In major metropolitan areas across the United States, food-vending trucks have become a common sight. For the truck merchants selling everything from fresh vegetables to fast food to fancy meals, they are an eas
VOA标准英语2011年(九月)
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
VOA标准英语2013年(一月)
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
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
环球英语 Spotlight
AGRICULTURE REPORT – July 30, 2002: Chemicals on Organic Food By George Grow (Photo -Scott Bauer) This is the VOA Special English AGRICULTURE REPORT. Farmers who grow organic food do not use chemica
农业与发展
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
农业与发展