动物内转毒性化合物

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(481) / 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(178) / 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(198) / 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(167) / 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(242) / 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(211) / 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(157) / 评论(0) 分类 Scientific American(十)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:2018-12-30 / 阅读(164) / 评论(0) 分类 词汇大师(Wordmaster)

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(151) / 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(187) / 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(247) / 评论(0) 分类 Scientific American(三)月

Frogs secrete compounds that could be used to battle MRSA and a new emerging bacterium that affects many wounded soldiers in Iraq. According to Mideast researchers, the amphibians could provide several new antibiotic compounds to fight drug resistant

发表于:2019-01-14 / 阅读(136) / 评论(0) 分类 VOA标准英语2010年(九)月

Anti-Ebola Compounds Show Promise 抗埃博拉病毒化合物已初见成效 While the West Africa Ebola epidemic is believed to be winding-down, the search for new treatments and vaccines is not. One study is a U.S./Serbian effort to find an effecti

发表于:2019-01-14 / 阅读(149) / 评论(0) 分类 VOA标准英语2015年(五月)

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(123) / 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(183) / 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(126) / 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(202) / 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(121) / 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(183) / 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(228) / 评论(0) 分类 莎士比亚十四行诗全集
学英语单词
abetalipoproteinaemias
Allocation Notice
amanita hemibapha
Apios Moench
back blow
beam jitter
beam positioning control
buial hill zone
burning-in
Castellote
catting her
Central American Trade Area
cerebral arterial stenosis
character pattern input
chrome magnesia brick
circular points at infinity
column shut-off valve
compressed gas system of fuel
consistence test
cooler pan
cooling loss
crystal tube
cultural intermediaries
current decrees
dangerous dog
declaration of disappearance
deepseated earthquake
dimodal curve
discharging valve
dolomite centrifuging machine
efferently
electronics watch
false sense of security
gangrene of gingiva
geometry number
go round the house
government protection
growing conditions in north China
Health Secretary
immunoassay(IA)
impulse buy
internal drift current
Internet Activities Board
interrupt stacking
kiln tar
Kleinsch-midt printer
ligamenta tarsometatarsea plantaria
light flash sensor
long hauls
long-term-benefit
low light level television camera
made-up excuse
mammaliamorphs
moment to change trim one centimeter curve
monochromasia
multi scaling
myasthenic pseudoparalysis
nervous disease
nonallosteric
nonmonetary economy
North Molton
Ongoro
operative limit
optimal aggregate matrix
p-fluorophenol
payment details
peg along
per annual
perforating gunshot wound
phaetons
polydactylus plebeius
prohibitors
promotional event
Pseudoaspidin
Puentenansa
re-evaporation
repetoire
retrusion
rogelio
rough mill
sampler side wall
shrinkage film
slovens
spontaneous variation
squiralties
stable landmass
structural shape factor of wind load
sum-of-product form
superior gluteal artery
take the responsibility for sth
thermo-photovoltaic device
threw shade
trace packet
transaction matrix
trichotillomanic
trussing
Tychem
Ulassai
visceral vessel (or splanchnic vessel)
weighting range
yarn assorting balance
young generation