[有机化学] 天然有机化学

Autobiography of Nobel Prize Winner: Jean-Marie Lehn I was born on September 30 1939 in Rosheim, a small medieval city of Alsace in France. My father, Pierre Lehn, then a baker, was very interested in

发表于:2018-12-05 / 阅读(129) / 评论(0) 分类 英语沙龙2004全年合辑下

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(154) / 评论(0) 分类 VOA2003(下)-农业与经济

A: 大家好! 我是王怡茹欢迎来到... B:欢迎来到美语训练班!我是Kat, 我来介绍一下节目内容。今天... A: Kat! Why did you steal my line? 你怎么抢我台词啊? B: Oops!被你发现了。 A: 行吧,你要是愿意,就

发表于:2018-12-25 / 阅读(97) / 评论(0) 分类 美语训练班

Professor: Doug and Liz are at a supermarket buying food to cook for dinner. In the last episode they ate a lot of fast food, so now they want to buy some healthy organic food. 不过,professor Bowman, organic food - 有机食品价格比较贵,不

发表于:2018-12-25 / 阅读(148) / 评论(0) 分类 美语三级跳

1. What's your major in college? 你的专业是什么? 2. What did you major in? 你的专业是什么? 3. What are you majoring in? 你的专业是什么? 4. Why are you so interested in English? 为什么你对英语那么感兴趣? 5. I t

发表于:2018-12-25 / 阅读(162) / 评论(0) 分类 面试口语脱口而出

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(212) / 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(130) / 评论(0) 分类 2018年VOA慢速英语(六)月

As It Is - Remember Your Chemistry Classes? An international team of researchers recently reported creation of a new element that is 40 percent heavier than lead. The researchers successfully developed what they are calling Element Number 117 at a la

发表于:2019-01-03 / 阅读(178) / 评论(0) 分类 2014年VOA慢速英语(八)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(181) / 评论(0) 分类 VOA2003(上)-科技先知

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(143) / 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(153) / 评论(0) 分类 英语每日一词

AS IT IS 2016-10-05 Nobel in Chemistry Goes to Makers of Worlds Smallest Machines 2016诺贝尔化学奖:世界上最小的机器 Three scientists have won the Nobel Prize in Chemistry for their work in developing tiny machines. The three men are Jea

发表于:2019-01-12 / 阅读(141) / 评论(0) 分类 2016年VOA慢速英语(十)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(151) / 评论(0) 分类 VOA标准英语2013年(一月)

Having the opportunity to take on a diverse range of classes such as economics and chemistry along with her music studies is the perfect combination for Diane. Marsha James | Washington DC 10 August 2010 Oberlin Conservatory of Music Student Diane Ly

发表于:2019-01-13 / 阅读(168) / 评论(0) 分类 VOA标准英语2010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(118) / 评论(0) 分类 2017年NPR美国国家公共电台5月

This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz

发表于:2019-01-17 / 阅读(189) / 评论(0) 分类 2016年Scientific American(十)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(134) / 评论(0) 分类 环球英语 Spotlight

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(221) / 评论(0) 分类 农业与发展

By Tom Rivers London 07 October 2009 Ada Yonath (file photo) Two Americans and one Israeli share this year's Nobel Prize in Chemistry for their work showing how the DNA code is translated into life itself. Americans Venkatraman Ramakrishnan and Thom

发表于:2019-02-03 / 阅读(159) / 评论(0) 分类 VOA标准英语2009年(十月)

By Kevin Billinghurst Stockholm 10 October 2007 The 2007 Nobel Prize for Chemistry has been awarded to Gerhard Ertl of the Max Planck Society in Berlin. Kevin Billinghurst has the story from Stockholm. The Royal Swedish Academy of Sciences honors Pr

发表于:2019-02-04 / 阅读(164) / 评论(0) 分类 2007年VOA常速英语(十月)
学英语单词
aeroencephalograph
all wave oscillation
all-zero statement label
amphinome
Anglo-Dutch Royal Shell Group
ath (aat)
athymia
audio-frequency power amplifier
baboonery
benocclusion
bleaches
brightness scanning
BSC or SS line
cast steel separator
centrifugations
chemically pure
chummy body
circumferential bead
cockward
code degeneracy
crimping plate process
cutting circle
damp-proof masonry
development intensity
docosenoates
double reheat cycle
draining of pipeline
elasticity of credit
English sweat
ergograme
evidences
FAAAS
filter bag cap
flushing gate
French-kiss
front mudguard
frustum-cusp teeth
fucktardedness
fundamental of lubrication
gardian
genus Mysis
genus Xerobates
gilgamishes
harmonic suppression
head nodding
heavier-than-air
Hering-Breuer's reflex
hop count
hybrid process
hyperstereoroentgenography
hypocavate
Héric
immunizaton
intracelIular digestion
introseope
jurica
l.e.d
link pack area
litigious matter
loop detuning
macrophylogenetic
medicalizable
metheph
millions of instructions per second (mips)
milongoes
Mter, Oued
multiplicative stage
nghes
nonnotarized
olszewski
opaque attritus
organosilicate
Papagayo, Pta.de
parasympathetic root
paris-nice
phase diagram
pomme
pretermitted
primpingly
rami gingivales superiores
relative shift
right-and-left nut
Sachong
Saint Olaf
set-net
Shil'da
single sum
Sirod
solosympodiella clavata
strong LL(K) grammar
sunbrights
tannoys
Tetany-psychosis
TL-CFC
tranquillitate
trend line
trend-setters
Velikiye Luki
vertical access tower
von Thunen model
Wałbrzyskie, Wojewodztwo
Weary Willie