理论有机化学

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(124) / 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(152) / 评论(0) 分类 VOA2003(下)-农业与经济

小作文: The bar chart shows the average hours of housework done by women (unemployment, part time, full time) and full time working men. 大作文: Some people believe that studying in a college or university is the best way for students to pr

发表于:2018-12-12 / 阅读(154) / 评论(0) 分类 雅思机经

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? How do you know the moon is not made of green cheese? Theoretical physicist Sean Carroll at the ScienceWriters2011 conference in Flagstaff on October 17th. Well, we know

发表于:2018-12-24 / 阅读(123) / 评论(0) 分类 Scientific American(十)月

Todd: So, Katia, you were talking about how you had an internship and you actually made the transition from university to the working world and internship and now you've actually gone back to the university world. What struck you as the biggest diffe

发表于:2018-12-25 / 阅读(124) / 评论(0) 分类 原版英语对话1000个

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(157) / 评论(0) 分类 面试口语脱口而出

Todd: So, Katia, you were talking about how you had an internship and you actually made the transition from university to the working world and internship and now you've actually gone back to the university world. What struck you as the biggest diffe

发表于:2018-12-29 / 阅读(172) / 评论(0) 分类 英语趣味课堂

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(205) / 评论(0) 分类 60秒科学

Study: We Learn Language in Pre-Human Area of Brain From VOA Learning English, this is the Health Lifestyle report. A new study from brain researchers helps explain how the human brain evolved, or changed over time, to permit people to speak and writ

发表于:2019-01-03 / 阅读(134) / 评论(0) 分类 2018年VOA慢速英语(八)月

本月8号,伟大的物理学家史蒂芬霍金将迎来他70岁寿辰,为此他接受了《新科学家》杂志的采访,当被问到白天思考的最多的是什么时,霍金教授语出惊人:是女人,女人完全是个谜。 史蒂芬

发表于:2019-01-08 / 阅读(193) / 评论(0) 分类 阅读空间

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

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(138) / 评论(0) 分类 2016年VOA慢速英语(十)月

51, fill a prescription 按处方抓药 Would you please fill this prescription for me? 52, fill in for 代替; 同义:fill ones place(position, shoes); take the place of; take over Say, Dave, can you fill in for me tonight at the restaurant? Id li

发表于:2019-01-17 / 阅读(186) / 评论(0) 分类 英语口译

Not only are there theoretical fixes; those fixes have been tried. 这里不仅仅有理论上的修复,这些修复已经被投入试验 They've worked. And they offer hope for the rest of us. 并且是起作用的。这也为我们其他人提供了

发表于:2019-01-18 / 阅读(130) / 评论(0) 分类 TED演讲国际问题篇

听力题目: 19.(A). She stops by the center every morning. (B). She no longer buys her morning coffee at the center. (C). Her coffee is better than the coffee at the student center. (D). Her cough could be heard all over the student center. 20.(A

发表于:2019-01-18 / 阅读(120) / 评论(0) 分类 托福听力单句训练

Idiom: Play hooky ( skip class ) Hit the book: Fleeting instance Theoretical Tack Magnet Milestone Grin Goofy Shutter Vividly Grungy looking Ah, a picture paints a thousand words, so they say. A photograph captures a moment in time. It seizes a fleet

发表于:2019-01-22 / 阅读(170) / 评论(0) 分类 趣味青春英语

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(146) / 评论(0) 分类 VOA标准英语2009年(十月)

What is the cosmological effect of singer Zayn Malik leaving the best-selling boy band One Direction and consequently disappointing millions of teenage girls around the world? 歌手泽恩马利克退出热门的单向男孩乐队,进而导致数以百

发表于:2019-02-09 / 阅读(185) / 评论(0) 分类 阅读空间

发表于:2019-02-18 / 阅读(160) / 评论(0) 分类 考研英语

雅思范文:大学应该开设什么课程 Which kind of courses should universities provide: theoretical knowledge or practical training? Some people prefer the later one and assert that the practical training can benefit our society. Personally,

发表于:2019-03-02 / 阅读(160) / 评论(0) 分类 雅思英语
学英语单词
abdellatifs
accent light
agency expenses
all-cash
ashkabad
barking dogs never bite
bethphany
binomial expansion
blood-spattered
British Airways
bulk method
burn phone
calibration oscillator
captive tapes
carousings
charcoal bed design
Chicamba
Chlor-span
Cliffs Notes
cloth wear testing machine
coracoacromial ligament
current voltage regulator
cypridopathy
data deduplication
deferred step restart
domestic prelate
driving snake
drop window
emilu
engineered capacity
engineering geologic sketch
Eveite
fibrilloblastus
fickian diffusion
fire plough
fire-polish
flame emissivity
forlength
ganoderma lingzhi
general inspection on commodity prices
genus Tenrec
goeltz
greenery
had-had
hand looping
Hennigsdorf
hentriacontanoic
homoe-
ideal rocket
in fear of your life
initial lesion
Jenipapo
landrush
logical one
low shear rate
low-cost housing
mercury device
Mesopithecus
milk season
mixed boundary condition
multifocal
munies
natural electromagnetic field fluctuation
non-orthogonal data
nuclidic mass
occasional furniture
onion planter
outward bill
oxybeliss
parkerising
perfusion scanning
ploughing up
Polevskoy
preuremic stage
pulsating flux
reading microscopes
red-leather
revests
rhino-laryngofiberscope
sherbets
signalizations
single-cylinder
single-handle
sinkhole pond
skeletonisers
spatio-temporally
spectral ghosts
stiple
synaptically
tee-shot
thick cloud
treize
trimethyleneurea
twin aerial
uneven ground
uniformly continuous mapping
unsuccess
us baby
VCEG
velours soleil
video jackfield
water immiscible solvent