[有机化学] 有机元素化合物

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(172) / 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

Exercise 1-35: Contrast of Compound Nouns CD 2 Track3 In the following list of words, underline the element that should be stressed. Pause the CD.Afterwards, check Answer Key, begi nning on page 193. Repeat after me. 图片1 图片2

发表于:2018-12-16 / 阅读(107) / 评论(0) 分类 标准美语发音的13个秘诀 CD2

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(128) / 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

节奏蓝调:Alicia Keys动情英文新歌 美国著名女歌手Alicia Keys的最新专辑《The Element of Freedom》的首支单曲Doesn't Mean Anything。 Artist:Alicia Keys Song:Doesn't Mean Anything Used to dream of being a millionaire, wi

发表于:2019-01-07 / 阅读(147) / 评论(0) 分类 流行英文歌曲

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(137) / 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

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(138) / 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(147) / 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(145) / 评论(0) 分类 VOA标准英语2013年(一月)

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(209) / 评论(0) 分类 VOA标准英语2009年(八月)

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(109) / 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(130) / 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(198) / 评论(0) 分类 货币英语

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(155) / 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(217) / 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(141) / 评论(0) 分类 英语新闻
学英语单词
3do
absolute convergence
acanthopanax goraldii harms
accentuater
Aconitum acutiusculum
air hand grinder
alkalophilic bacteria
aluminum bauxite
animal and plant life
anthroponyms
atlantis ansa
audition record
back kip
backtracking programming
bangalow
bar cutoff machine
bestfares.com
Blainvillea
cedar trees
chemical evolution of the Moon
clothes dryers
collective field
communication pore
Connectionless protocol
coral-stromatoporoid reef
coreless type induction furnace
craft-baseds
criminal defense
debtor act
DECONAPP
denktashes
depart from
drop-shadows
early lodging
electric scoreboard
exemplar-based
femaleist
fondant
fuffy
gaggias
general session
grapeworm
hexsamine
high concentration hydrochloric acid treatment
hull midship section modulus
hydroxyindol
hypersensitisation
identification of immature infant
image coordinates
imbrocate
keratosulfate
knobbliness
kuwanaspis arundinariae
Las Guabas, R.
line increment
liquid displacement technique
logarithmic-based scale amplifier
loufah sponge
married man
member fee
micorhymenopteron
Microtoena affinis
mindfully
Mono, Dép.du
morinels
multiple address computer
naphthacetol
NETCONF
noble-gas fission product
object management system
OCO (open-close-open contact)
oil buoyancy system
outleap
photofluorography
predefined operation
pressure arche
primary air separating duct
Prospero
proteetive gap
rabbinic hebrew
racv
rising
saving up
selective measuring
self loading vehicle
self-catalyzed reaction
statistical collection file
syst
telemetry service
teplitz
Thyrsostachys
time-sharing system subcomponents
to rap
transforming growth factor
vaginitis adhaesiva
vapor volume equivalent
villikinin
voff
Vëshenskiy Rayon
wear one's heart on one's sleeve
willard huntington wrights
woe betide sb