[试剂] 有机化学试剂

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(144) / 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(130) / 评论(0) 分类 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(158) / 评论(0) 分类 Listen this way听力教程

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(202) / 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(119) / 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(167) / 评论(0) 分类 VOA2003(上)-科技先知

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(181) / 评论(0) 分类 英文语法词汇

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(114) / 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(122) / 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(133) / 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 fo

发表于:2019-01-11 / 阅读(137) / 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(138) / 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(103) / 评论(0) 分类 2017年NPR美国国家公共电台5月

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(104) / 评论(0) 分类 2018年NPR美国国家公共电台6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(122) / 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(149) / 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(207) / 评论(0) 分类 农业与发展

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(139) / 评论(0) 分类 好听的英文歌曲

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(150) / 评论(0) 分类 流行英文歌曲

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(153) / 评论(0) 分类 英文摇滚歌曲
学英语单词
accelerationand deceleration operation
acosmist
acrose
Agriculture Secretary
Albert von Szent-Gyorgyi
ampule file
Annuity Unit
anti-apartheidism
background control
Barowghīl, Kowtal-e(Baroghil Pass)
barquantine
be hard to cultivate
beaked pelvis
Björkvik
bouleversements
bumblebee cotton
cascade method for pouring ingot
chimalhuacan
controverse
CRDL
cross-garnets
daiichi
deservient
distribution pitch
do svidaniya
ecliptical stream
economic and social research council
economic motives
electronic version
ethyleneglycol fatty acid ester
everbright red toner C
existential
faucet pipe
finite-state channel
firedamp drainage
friction-tape
fuel densification
gasometer
gate pressure
gaylord
genus buphthalmums
halisteresis
hardening alloy
high altitude VDR
holy writs
home tutor
hydrolytic dissociation
I mean
I-T product
Iflissen
In Djezzal
increasing load test
inspection of foreign substance
interdicted
interview effect
intrayn
kannemeyeriids
laterans
Lincoln Hills
little walachia (oltenia)
load button
loose-footed
makeshift device
media-shift
Neufvilles
orienting compass
output work
packet handling module
peaking flux
person-years
photo-identification
political vacuum
polyamide-imide composite
Popd
posterior extremity
presuppositionally
prior patient account number
quasideterminants
ratran system
ravalement
renculin
request function
segment joint
shadkhan
sinter strand
slow-operate fast-release relay
Spencer Bay
start at the bottom of the ladder
Su-kawa
subsident
syneches praestans
tacoma narrows bridges
tenganan
the day following
tropical upper-tropospheric trough
unanis
unflappability
unperceptive
unspike
urban issues
vetta
waiting upon