有机物的毒化

Grammar Girl here. Todays topic is the complex-compound sentence. Guest writer Sal Glynn writes: Most writers worth their fingertip calluses begin as avid readers. We read books, magazines, and websites indiscriminately until we start to notice the w

发表于:2018-12-07 / 阅读(171) / 评论(0) 分类 英语语法 Grammar Girl

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(152) / 评论(0) 分类 VOA2003(下)-农业与经济

Sam: Now our count it down to Earth Day. We are showing you how to green in every aspect of your life, how to go green. And we are kicking off this series this morning with Deirdre Imus, the author of Growing Up Green!---Baby and Child Care. Now her

发表于:2018-12-11 / 阅读(103) / 评论(0) 分类 访谈录2008

There is nothing like the suggestion of a cancer risk to scare a parent, especially one of the over-educated, eco-conscious type. So you can imagine the reaction when a recent USA Today investigation of air quality around the nation's schools singled

发表于:2018-12-27 / 阅读(163) / 评论(0) 分类 英语听力小短文走遍全世界

Intonation can indicate completely different meanings for otherwise similar words or phrases. For example, an English teacher teaches English, but an English teacher is from England; French class is where you study French, but French class is Gallic

发表于:2018-12-27 / 阅读(127) / 评论(0) 分类 美式英语正音训练

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(125) / 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(173) / 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(136) / 评论(0) 分类 Scientific American(十一)月

AGRICULTURE REPORT - Scientists Find Compound in Smoke that Helps Seeds Grow By Mario Ritter Broadcast: Tuesday, July 20, 2004 This is Steve Ember with the VOA Special English Agriculture Report. A di

发表于:2019-01-11 / 阅读(173) / 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(146) / 评论(0) 分类 英语每日一词

Advantages threatened by poor management Steve Baragona | Washington, DC 15 April 2010 No-till agriculture is one of the benefits of GE crops that is threatened by poor management Related Links National Research Council report Genetically engineered

发表于:2019-01-13 / 阅读(100) / 评论(0) 分类 VOA标准英语2010年(四)月

Frogs secrete compounds that could be used to battle MRSA and a new emerging bacterium that affects many wounded soldiers in Iraq. According to Mideast researchers, the amphibians could provide several new antibiotic compounds to fight drug resistant

发表于:2019-01-14 / 阅读(115) / 评论(0) 分类 VOA标准英语2010年(九)月

The United Nation's World Food Program says rogue members of Somalia's extremist al-Shabab group attempted to raid its compound late Sunday in the Somali town of Wajid, about 300 kilometers northwest of Mogadishu. World Food Program spokesman, Peter

发表于:2019-01-14 / 阅读(208) / 评论(0) 分类 VOA标准英语2009年(八月)

Rising Crop Prices Linked to Decline in World's Bee Population Terrence Ingram considers himself a naturalist. He said hes best able to commune with the natural world around him at the center of a swarm... of bees. I love beekeeping. Its one of Gods

发表于:2019-01-14 / 阅读(121) / 评论(0) 分类 VOA标准英语2013年(六月)

Pesticides Contribute to Decline in World's Bee Population Terrence Ingram considers himself a naturalist. He said hes best able to commune with the natural world around him at the center of a swarm... of bees. I love beekeeping. Its one of Gods grea

发表于:2019-01-14 / 阅读(122) / 评论(0) 分类 VOA标准英语2013年(六月)

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(129) / 评论(0) 分类 环球英语 Spotlight

What do these five words have in common: hotdog, fireworks, well-being, waistline, sunset and ice cream? They could all describe a fun holiday celebration. For example: My holiday was wonderful! I went to a friends party and we laughed, ate and had a

发表于:2019-01-21 / 阅读(220) / 评论(0) 分类 2018年VOA慢速英语(十二)月

By Elizabeth Carlassare. Todays topic is compound interest. Albert Einstein is often quoted as having said something to the effect that compound interest is the greatest wonder of the universe. Its an urban legend, but it packs some punch! In todays

发表于:2019-01-30 / 阅读(197) / 评论(0) 分类 货币英语

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(214) / 评论(0) 分类 农业与发展

ISLAMABAD, Feb. 25 (Xinhua) -- The living compound of the former al-Qaida chief Osama bin Laden in Pakistan's northwest city of Abbottabad is being demolished, said one local media report. Local Urdu TV channel Express said that the front part of bin

发表于:2019-02-18 / 阅读(140) / 评论(0) 分类 英语新闻
学英语单词
activated hydrogen
administrative controls
aelfric
air handling unit
alternating group occulting
amrubicin
Anderson criterion
BACP
bacteriochlorophyll protein
Barff Peninsula
butyl-acetoacetate
casei
character actor
coauthorships
conducting prosecution
congressional budget
contiuous-wave echo signal
CPOS
crossbearer
cylindrical insulator
dalva
datalogger
degrasse
delpino
diffusion boundary layer
dirty talk
district center
do case construct
double punching machine
duvoisin
electrolytic zinc plating
engine-driven air compressor
fall-less
false colours
fish slices with vegetable
fundamental science
galopin
gas viscosimeter
gel adsorber
Gregory XI
gt/sql
guianine
hand scudding
heiducs
Helipterum manglesii
high master
Humatrop
indentments
interphalangeal joints of foot
invitation to bid
laughless
light probe
Limbani
Lindsay, Vachel
lychnose
main drag conveyer
mechanical comminution
microdiagnosis
minoxidilum
Mira Ceti variable
nonprecipitating
nucleobranch
ocean-mined
operations income
optic placode
out symbol
over-dramatizes
peace dove
plant chemotaxonomy
pneumatic valve positioner
pococurantism
policy testing
postestrus
power spectrum
princess grace of monacoes
project wizard
pulmonary teratoma
real variable
regularizations
rhythmotherapy
semicompreg
sensibilisatrice
single spar wing
soft x ray spectroscopy
Startupbootcamp
steady light
stream stocking
structured variable
supply valve with over flow valve
synodus macrops
synthetic aperture sona(sas)
taxi fares
Timovan
tva
underwater tow vehicle
universal trunk
vaporisers
vibration cylinder barometer
video disc apparatus
wally-dye
William Ewart Gladstone
withdrawal of ore