有机碳库

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(59) / 评论(0) 分类 VOA2003(下)-农业与经济

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(45) / 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(67) / 评论(0) 分类 Scientific American(十)月

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(41) / 评论(0) 分类 英语每日一词

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(58) / 评论(0) 分类 VOA慢速英语2007年(十一)月

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(74) / 评论(0) 分类 农业与发展
学英语单词
Abovyan
accelerine
adamu
asynchronous flight muscle
autonomous computer system
autoweighing feeder
bath times
be estimated to be
beardfish
benzoylramanone
biting taste
bodily
brake shaft lever
branch wilt
branom
Cabred
Cabuna
Calula
carica papaya L.
cell locomotion
chain angle
cold-strip reel
commensurizers
computing oscilloscope
contract laws
crowpon
cyanoguanide
Decs.
destructive detector
dinteri
dispartment
endoergicity
etess
everything else
evg
exorista vicinalis
facsimile telephone
faculty organization
flail type forage harvester
flow-through detector
Fluoropak
FPEI
free-end
front-wheel retainer
graphic science
heptagynous
high repetition laser system
Hilbert transformer
I-iron shearing machine
infrared absorption intensity
innominatum
invoice date
iterative procedure
keep someone in awe of
Klebs, Edwin
linear expansion factor
livingwage
lobophyllia hataii
mackies
make a difference to
mean high water neaps
medicos
Mendel's laws
mental reservation
microbial corrosion resistance
mishpachah
movable head stock
nomadisms
overhears
paw-paw
Pennellidae
Plasmodium cynomolgi
polyesteramide
prediction probability
protophyll
pudding cloth
radico functional name
Reeves
registration mark light
Rhododendron lanatoides
Rishiri-suido
scale harness
share margin lending
softened
spectral search
states-of-affairs
stone parsley
strip alerts
surrey
terminal processor functions
thallospore
the cupboard is bare
unchipper
uncollided intensity
Unregulated issuer
unsealed road
unseason
Vaccinium pennsylvanicum
voluntary association
white-fronted geese
wordsmanship