[网络] 挥发性化合物;挥发性物质;挥发性成分

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(452) / 评论(0) 分类 2006年慢速英语(十二)月

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(139) / 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(179) / 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(144) / 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(207) / 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(193) / 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(137) / 评论(0) 分类 Scientific American(十)月

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 Now chemists have developed a technique that identifies what kind of degradation process an old book or historical document is going through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(128) / 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(162) / 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(226) / 评论(0) 分类 Scientific American(三)月

今天我们要学的词是volatile。 Volatile, 不稳定的,动荡的。 Wall Street ended a volatile week of trading, 华尔街股票交易结束了动荡的一周。 With Europe's debt crisis and America's debt rating downgraded, global stock m

发表于:2019-01-16 / 阅读(127) / 评论(0) 分类 英语单词荟萃

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(108) / 评论(0) 分类 英语单词大师-Word Master

Judging a Book by Its Odor A study in the journal Analytical Chemistry identifies various organic compounds that old books give off and that can be analyzed noninvasively, offering important clues to an historic work's condition and prognosis. Steve

发表于:2019-01-30 / 阅读(251) / 评论(0) 分类 60秒科学

Wildfires Spike Wine with Smoky Notes The fires that ripped across Napa and Sonoma last year damaged some two dozen wineries, and burned others completely to the ground. 去年发生在纳帕和索马诺的大火损毁了二十多家酒厂,并将其他

发表于:2019-02-13 / 阅读(128) / 评论(0) 分类 2018年科学美国人2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:2019-02-14 / 阅读(167) / 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(108) / 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(185) / 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(105) / 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(152) / 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(212) / 评论(0) 分类 莎士比亚十四行诗全集
学英语单词
Abd ar-Rahman
allocate to
altricate
balboa
band-saw machine with auto-feed carriage
begifted
Blastomycetes
challenors
cleystaff
contact protection
deferred experimental and research expenses
diamond canker
discharge sluice
druse heterochton
dsviewer
Eikanger
employment history
equisrgnal radio beacon
escrutoire
eutergum
eye points
fencepost
fixed frequency oscillator
flown out
foreign exchange meddling
formwork
galvanized square washer
gamaieu
gasoline tank (petrol tank)
ground control radar
gt brit
height of the transfer unit
hepatic lesion
hipy
horizontal pneumatic conveying
hrvatska (croatia)
hypertrophic laryngitis
Imongting
infraorbital stay
ischial tuberosity
isothiazoles
John Mitchell
judyth
keep someone at the stick's end
lactamid
leading supplier
light weight fabric sewing
light-beam telephone
loan volume
locking condition
longears
manchester automatic digital machine
Marx rectifier
maximum regret
mean life of excited atom
merchandising
monte - carlo simulation
nanocandela
ngorongoroes
odontorthosis
over-thrifty
overveils
Pacchionian body
pantoscopic
parlor
Peneda
photoionization efficiency
play hard to get
polymer suspension
predominant height
preganglionic fiber
premaxillary gland
president-ceo
program model
putrid odor
quinotoxines
Rayleigh constant
redwater disease
ringworm cassia
roller way control case
roller-type venier callipers
s-bi
s-phase
S. & F.
saliently
step input signal
structural foam
tea-growings
tee weld
thermal acceptor
tonqua beans
total negotiable market capitalization
tri-allate
two-way alternate mode
ultimate tennis
uzbek dance (uzbekistan)
Valognes
virgilia oroboidess
virtual channel memory
vitrifications
wickson
Zenaga