[化] 库切罗夫羰基化合物合成

This is the VOA Special English Development Report. Right now, the top story in AIDS research involves newly announced findings about adult male circumcision. Two studies in Africa found that circumci

发表于:2018-11-27 / 阅读(420) / 评论(0) 分类 2006年慢速英语(十二)月

本讲为 2006 年新的教学内容,请对照教材、练习册、语法书听录音! Unit 5 Text A The New Music 重点词语 distinct a. 独特的;明显的 The two concepts are quite distinc

发表于:2018-12-01 / 阅读(199) / 评论(0) 分类 自考英语(二)60讲

Could there be a substance that both gives us the munchies and can help combat obesity? There may indeed be, according to research published in the Proceedings of the National Academy of Sciences. The Monell Center in Pennsylvania partnered with Kyus

发表于:2018-12-02 / 阅读(117) / 评论(0) 分类 Scientific American(十二)月

1. Parts of North Carolina all the way up to Massachusetts have been rattled by an earthquake. The 5.9-magnitude quake was centered in Virginia and has caused minor damage and some injuries. 2. Hundreds of Libyan rebels have stormed one of Muammar Ga

发表于:2018-12-15 / 阅读(168) / 评论(0) 分类 美联社新闻一分钟2011(八月)

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Generations of American children have been told, Eat your broccoli! And for decades, researchers have known that broccoli and related vegetables like cauliflower and water

发表于:2018-12-24 / 阅读(129) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60 Second Science, I am Cynthia Graber, this will just take a minute. Compounds found in the herb thyme have antibiotic properties. Now scientists have demonstrated that thyme might have a future role in fighting acne. A

发表于:2018-12-24 / 阅读(178) / 评论(0) 分类 Scientific American(三)月

Ever wondered why mosquito eat some people up but leave others relatively unscathed. a new study find this prefential treament due to smells produced by the microscopic critters that cover our bodies. the reaserch is in the journal public library sci

发表于:2018-12-24 / 阅读(178) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Take a deep breath. Taste anything? Actually, your lungs may, because scientists have discovered that the same receptors that exist on the tongue to tast

发表于:2018-12-24 / 阅读(117) / 评论(0) 分类 Scientific American(十)月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-30 / 阅读(198) / 评论(0) 分类 单词解析速记

This book stinks! is really a bad review. But even a classic work can start to smell when it gets old enough. Now chemists have developed a technique that identifies what kind of degradation process an old book or historical document is going through

发表于:2019-01-08 / 阅读(121) / 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(147) / 评论(0) 分类 Scientific American(十)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Wine can help keep conversation flowing at a dinner party. And now it looks like that wine may aid in materials science as well. Japanese researchers dis

发表于:2019-01-08 / 阅读(213) / 评论(0) 分类 Scientific American(三)月

AA: I'm Avi Arditti. Rosanne Skirble is away, but joining me from Los Angeles is English teacher Lida Baker to explain our topic on Wordmaster this week. It's a feature of the language called compounding. LIDA BAKER: Compounding is when we take two w

发表于:2019-01-18 / 阅读(97) / 评论(0) 分类 英语单词大师-Word Master

Well, I'm sorry Walter couldn't join us. 沃尔特来不了真是遗憾 Oh, yes, well, the Australian trip came up suddenly. 是啊,澳大利亚之旅是突然定下的 He sends his apologies. 他让我代他致歉 Where's Oliver? He's not out of t

发表于:2019-01-29 / 阅读(136) / 评论(0) 分类 绿箭侠第一季

AA: I'm Avi Arditti. Rosanne Skirble is away, but joining me from Los Angeles is English teacher Lida Baker to explain our topic on Wordmaster this week. It's a feature of the language called compounding. LIDA BAKER: Compounding is when we take two w

发表于:2019-02-14 / 阅读(153) / 评论(0) 分类 英语单词大师-Word Master

AA: I'm Avi Arditti. Rosanne Skirble is away, but joining me from Los Angeles is English teacher Lida Baker to explain our topic on Wordmaster this week. It's a feature of the language called compounding. LIDA BAKER: Compounding is when we take two w

发表于:2019-02-14 / 阅读(96) / 评论(0) 分类 英语单词大师-Word Master

进行英语面试时,面试官会问到,你为什么觉得你胜任这项工作。那么你的回答就要让面试官相信你能把这份工作做好。本文列出了一些常见的问题和回答,仅供参考。 I (Interviewer 面试者) A

发表于:2019-02-18 / 阅读(170) / 评论(0) 分类 实用英语

Hey Don, do you like asparagus? Yep, I love it Yael, can't get enough. But don't you notice there's a certain problem after you've eaten it? Problem? Yeah, everybody knows that eating asparagus can cause a rather unpleasant smell in your urine. I did

发表于:2019-02-23 / 阅读(92) / 评论(0) 分类 英语时差8,16

But thats what comes out after we eat asparagus, which is not necessarily the same was what went in. Our digestive systems do some pretty complex chemistry, you know. Plus, the act of cooking the asparagus probably changes the chemistry around a bit,

发表于:2019-02-23 / 阅读(135) / 评论(0) 分类 英语时差8,16

Why is my verse so barren of new pride, 为什么我的诗缺乏点晴之笔, So far from variation or quick change? 行文沉闷呆板,千篇一律? Why with the time do I not glance aside 为什么我的诗不顺应时尚, To new-found meth

发表于:2019-02-24 / 阅读(197) / 评论(0) 分类 莎士比亚十四行诗全集
学英语单词
abyssopelite
accessional
acidosodium
acute unclassified leukemia
air ram
analysis power
Assiniboin
autisms
Balla Balla
beat the living daylights out of someone
bird fanciers
Book of the Dead
book-readings
brightening
bringing on stream
carry someone off his feet
carrying roller
Chesterian
chill in the hearth
chirugion
chloro-acid amide
clostridium acetobutylicum
combat service support area
Cryptocarya leiana
decarbozination
deep-sixes
elasticizes
element cycle
episymploce sinensis
field emitted electron
flare star
for one's age
forest with grass layer
franchi
future position
gantrisin
gather on
gradient solvent
graving flower saw blade
GSHBV
harmonize production programs
hydrodesulphurization
hydroextractors
idiotical
in the jaw
initial reversiblety
jestes
jet washing
key lock feature
kinemograph
kravet
long lease
magnetaq colour
marks off
martinal
masculonge
mauresmo
meaconing
Microsoft MVP
Mikumi National Park
moderate-intensity
nickel chrome steel
non-directivenesses
olgite
omnifaceted
operclar
over-cautiousnesses
packaged regression program
panulirus
pathways
pepsicoes
percentage reinforcement
permanent capital
POH (planned outage hours)
protest vote
protozoonotic
quasi gravity
radiospermic
ranaconitine
read gap scatter
recycling chromatography
regression correlation analysis
ripple grass
SDS-PAGE
shamuss
steam annealing
system overhead
Sörfjärden
temperature-coefficient of resistance
thiamine pyrophosphate
train station
troop carrying missile
vacuum dilatometer
vermilionectomy
village forest
Waresley
wastylle
welding gutter
wppss
yeo-ho
youngledian transgression
zoosporangia