[试剂] 有机化学试剂

WWOOF: World-Wide Opportunities on Organic Farms

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)

VOA2003（下）-农业与经济

VOA标准英语2009年-GM Crops Dominate US Farms, but Organic In

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

发表于:2018-12-16 / 阅读(111) / 评论(0)

VOA标准英语2009年(十月)

Listen this way听力教程第二册-11

发表于:2018-12-27 / 阅读(138) / 评论(0)

Listen this way听力教程

60秒科学:Murchison Meteorite's Chemical Bonanza

Murchison Meteorite's Chemical Bonanza The 1969 Murchison meteorite was known to harbor complex organic compounds, but a new analysis in Proceedings of the National Academy of Sciences finds that it may also contain millions of chemicals and shed lig

发表于:2019-01-02 / 阅读(180) / 评论(0)

60秒科学

On Mars, NASA Finds ‘Organic’ Substances Linked to Life

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(94) / 评论(0)

2018年VOA慢速英语(六)月

Organic Farming Intersects with Modern Technology

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(147) / 评论(0)

VOA2003（上）-科技先知

英语分类词汇：环境污染

污染物 aerosols气溶胶 / 气雾剂 agricultural wastes农业废物 asbestos石棉 commercial noise商业噪音 composite pollution混合污染 dioxins二恶英 hazardous substances危险物质 hazardous wastes危险废物 heavy metals重金属 h

发表于:2019-01-03 / 阅读(165) / 评论(0)

英文语法词汇

AGRICULTURE REPORT - Organic Farming Study

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

发表于:2019-01-11 / 阅读(96) / 评论(0)

农业与发展

VOA标准英语2010-African Farmers Growing Organic Foods for

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

发表于:2019-01-11 / 阅读(106) / 评论(0)

VOA标准英语2010年(四)月

AGRICULTURE REPORT - Organic Food Labeling

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

发表于:2019-01-11 / 阅读(111) / 评论(0)

农业与发展

每日一词【1030】organic：有机的，绿色的

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(116) / 评论(0)

英语每日一词

VOA标准英语2013--More Land Being Used for Organic Farming

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(113) / 评论(0)

VOA标准英语2013年(一月)

美国有线新闻 CNN Just How Organic Is Your Milk? Well, It Depends On The Dairy It Came From

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(87) / 评论(0)

2017年NPR美国国家公共电台5月

美国国家公共电台 NPR NASA's Curiosity Rover Finds Chemical Building Blocks For Life On Mars

DAVID GREENE, HOST: This seems big. Scientists say for the first time they have clear evidence that the chemical building blocks of life exist on Mars. So is this the moment we can say there is life on the red planet? Well, NPR's Joe Palca says not y

发表于:2019-01-17 / 阅读(79) / 评论(0)

2018年NPR美国国家公共电台6月

环球英语 — 63：Organic Chocolate

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(99) / 评论(0)

环球英语 Spotlight

AGRICULTURE REPORT - Chemicals on Organic Food

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

发表于:2019-01-30 / 阅读(124) / 评论(0)

农业与发展

AGRICULTURE REPORT - Compost: an Organic Way to Better Soil

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(182) / 评论(0)

农业与发展

英文歌曲:Chemical Rush

Chemical Rush Brian Mcfadden Chess game, Im the pawn Youre the queen, Im the throne Take me out tonight Make your move, pick and choose Anywhere Im gonna lose Give it to me black or white Feel it coming on Like a pulse in my head Sending chills right

发表于:2019-02-07 / 阅读(121) / 评论(0)

好听的英文歌曲

英语歌曲:音乐+爱情的化学反应-Chemical Rush

音乐+爱情的化学反应：Chemical Rush Artist：Brian Mcfadden Song：Chemical Rush Chess game, Im the pawn Youre the queen, Im the throne Take me out tonight Make your move, pick and choose Anywhere Im gonna lose Give it to me black or white F

发表于:2019-02-17 / 阅读(129) / 评论(0)

流行英文歌曲

英语摇滚:音乐+爱情的化学反应：Chemical Rush

音乐+爱情的化学反应：Chemical Rush 还是Brian Mcfadden小编对BB的新专辑实在不能不执着啊~这首依旧是混杂了电子风的Chemical Rush，稍微有些中规中矩，和专辑中电音味道更重的歌比起来，有些收敛

发表于:2019-02-18 / 阅读(127) / 评论(0)

英文摇滚歌曲

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capture-produced isotope