颗粒性有机碳;散式有机碳

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(133) / 评论(0) 分类 VOA2003(下)-农业与经济

FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Faith Lapidus. CHRISTOPHER CRUISE: And I'm Christopher Cruise. Winter has brought cold weather to many areas in Earths northern hemisphere. With the cold comes a danger as old as

发表于:2018-12-15 / 阅读(97) / 评论(0) 分类 2011年VOA慢速英语(一)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(106) / 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(156) / 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(120) / 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(140) / 评论(0) 分类 Scientific American(十)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(121) / 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(125) / 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(134) / 评论(0) 分类 VOA慢速英语2007年(十一)月

By Sonja Pace London 10 January 2008 The British government has announced its support for a new generation of nuclear power plants, which it says will provide a clean source of energy and help the country fight gas emissions and climate change. Oppon

发表于:2019-01-13 / 阅读(108) / 评论(0) 分类 VOA标准英语2008年(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(122) / 评论(0) 分类 VOA标准英语2013年(一月)

This week, the British oil company BP issued a controversial report on the cause of the massive oil spill in the Gulf of Mexico four months ago. Regardless of who was at fault, the release of an estimated four million barrels of oil had a major envir

发表于:2019-01-14 / 阅读(100) / 评论(0) 分类 VOA标准英语2010年(九)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(94) / 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(110) / 评论(0) 分类 环球英语 Spotlight

If you've gone shopping for a car lately, you might have noticed that fuel economythe number of miles per gallonis creeping up. One reason is a more efficient type of fuel injection, called gas direct injection. Its a feature of half the new cars sol

发表于:2019-01-20 / 阅读(107) / 评论(0) 分类 2016年Scientific American(八)月

3月5日在京召开的十二届全国人大三次会议开会间隙,著名呼吸道疾病专家,全国人大代表钟南山接受媒体采访。[魏晓昊/中国日报] It might take China a decade to tackle its notorious smog problem, said Zhon

发表于:2019-01-23 / 阅读(139) / 评论(0) 分类 英语新闻

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(194) / 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(160) / 评论(0) 分类 农业与发展

ATHENS, Sept. 25 (Xinhua) -- Greek indignant anti-austerity protesters returned to the streets of Athens, as the government categorically rejected media reports over the weekend regarding a Greek default in coming months. Some 3,000 demonstrators non

发表于:2019-02-06 / 阅读(173) / 评论(0) 分类 英语新闻

雾霾 haze; 烟雾 smog; 空气污染指数 air pollution index; 橙色预警 orange alert; 悬浮颗粒物 airborne particulate matter; 可吸入颗粒物 inhalable particle; 有毒物质 toxic substance; 空气质量检测 air quality monitoring; 实

发表于:2019-02-26 / 阅读(143) / 评论(0) 分类 雅思英语
学英语单词
a moleson (switzerland)
acetocid
aji
array printing statement
atomic operation
Baltimore club
bdellatomy
body type antenna
butch-femme
bystander effect
cable fault locator
centrifugal separator
chain welding
classification signal
combining function
courage
Cyathocrinina
Cz.
dichromatic vision
dimethylstearylamide
diphtheria immunization
distilled gasoline
double-axe
ebil
eff you
Elk Mountains
equilibratory sense
ethylicin
ez
female impersonators
file address register
fitting flowsheet
flat glass
formulisms
fourice
freud
fundamental conception
germens
grow out of knowledge
Hohenlinden
HPH (high pressure heater)
humectives
immobile liquid
inositus
isoombre
jade stalk
judicial duty
kuona
lagged type
latterest
line-firing
meanably
metamine
midborder
mouton
negative zero scale
Nico hydrostroke feeder
non-reproducible sample
nonprotein respiratory quotient
nutrition center
onramps
overjustifies
packing method
Paraleptochilus
paramilitary units
pay for her whistle
Pelomedusidae
powder metallurgies
press-mark
Protected frequency.
publicly-fundeds
pump component
quissers
rear wall frame
Reelfoot Lake
rican
Riipi
saucer shaped wheel
scale like
screen settling
semilapsed
ship hydrodynamics laboratory
smoke unit
sodio-acetoacetic ester
solar calculator
starboard
statement of cash flow
stenchiest
substitutional solute atom
supplementary pump
temporary short rail
Terrence Higgins Trust
thermal medium
thymus dependent deficiency
Tigre, R.
time-sharings
total bacterial count
underground kohlrabi
vein-type pitchblende-sulfide deposit
welded bridge
well-followed
wrap this up