总有机碳量;总有机碳, 总有机碳

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 hook He hung his coat on the hook behi

发表于:2018-12-05 / 阅读(180) / 评论(0) 分类 每日攻克5词

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(157) / 评论(0) 分类 VOA2003(下)-农业与经济

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(156) / 评论(0) 分类 VOA标准英语2009年(十月)

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(135) / 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(184) / 评论(0) 分类 VOA2003(上)-科技先知

It seemed like a good ideabecause rivers and ponds in Bangladesh were contaminated with bacteria, Bangladeshis switched to wells. But soon after, in the early 80s, researchers realized those wells were harming Bangladeshis with a new poisonarsenic. T

发表于:2019-01-08 / 阅读(147) / 评论(0) 分类 Scientific American(十一)月

This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Chemistry goes to the University of Delawares Richard Heck, Purdues Ei-ichi Negishi and Hokkaido Universitys Akira Suzuki for their work in develop

发表于:2019-01-08 / 阅读(173) / 评论(0) 分类 Scientific American(十)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

发表于:2019-01-11 / 阅读(124) / 评论(0) 分类 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

发表于:2019-01-11 / 阅读(138) / 评论(0) 分类 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

发表于:2019-01-11 / 阅读(146) / 评论(0) 分类 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

发表于:2019-01-11 / 阅读(132) / 评论(0) 分类 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

发表于:2019-01-11 / 阅读(154) / 评论(0) 分类 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

发表于:2019-01-11 / 阅读(133) / 评论(0) 分类 VOA标准英语2011年(九月)

AGRICULTURE REPORT - Study Points to Risk in Common Method of Enriching Soil By Jerilyn Watson / Broadcast: Mon, 12 Nov 2007 16:00:00 UTC This is the VOA Special English Agriculture Report. For more than half a century, many farmers worldwide have a

发表于:2019-01-11 / 阅读(158) / 评论(0) 分类 VOA慢速英语2007年(十一)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

发表于:2019-01-13 / 阅读(152) / 评论(0) 分类 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

发表于:2019-01-17 / 阅读(123) / 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(136) / 评论(0) 分类 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

发表于:2019-01-30 / 阅读(171) / 评论(0) 分类 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

发表于:2019-01-30 / 阅读(226) / 评论(0) 分类 农业与发展

AGRICULTURE REPORT - Food for Crops: How to Get the Most From Organic Fertilizer By Mario Ritter Broadcast: Tuesday, August 23, 2005 I'm Shep O'Neal with the VOA Special English Agriculture Report. Th

发表于:2019-01-30 / 阅读(194) / 评论(0) 分类 农业与发展
学英语单词
anes
animadversiveness
anterior venae cavae
antibioma of breast
apical flexure (or parietal flexure)
baie
balanced signal
bead transistor
Beijing spurge root
bejewels
bridge and other equipments
campaign trail
Chinese character internal code
cloud-base recorder
coconstruct
contribution of property
counter mechanism
cross-office transmission
crushed aggregates
cumulative (chronic) fatigue
curculionid
cycle-lengths
desilverise
dilver alloy
dotted line marker
drawing implement
Drini (Drin)
electrotape
ether vinylicus
excessive comminution
fipronil
flight instructor
friction bands
general combining ability
germinal macula
glycosylases
go one's rounds
grain molecular volume
grandgousier
height adjustment pad
heptaploid
hhl
Hollyburn
horizontes
hostplants
hue saturation value
humanitas
hurmal plate
impact ductility
initiate a movement
ionization defect
ivigs
kicker coil
kurkee
latch
letter form
light units
Lobachevskian
longitudinal characteristic
magnetohydrodynamic arcjet
metastudtite
microscopic causality
moose deer
nafarelin
neu rilemmatous
nongenogroupable
PALAEOTAXODONTA
pig-tails
pikulski
polyaxis
posthumanist
postoperation
premeditated
probability proportional sampling
protective colloid
prototrochal girdle
quintopoly
r-c
rentual
restricted bayes estimator
right under the very nose of
runner ratio
second-grader
sense station
sequence chromatography
Sigillariostrobus
solid propellant assisted take-off unit
solution phenomena
sony
special-election
spica nardi
ST_communicative-styles_talking-angrily
T-stamping
tin(iv) triiodide monochloride
trug
unbegot
urea hydrogen peroxide
venae rectales mediae
voice encoder
well-understood
workflow
z axis