环状(结构)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(482) / 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

发表于:2018-12-13 / 阅读(224) / 评论(0) 分类 Wee Sing For Christmas

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(199) / 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(168) / 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(244) / 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(212) / 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(158) / 评论(0) 分类 Scientific American(十)月

Ring A Ring Of Roses a ring of roses a pocket full of posies (hot-sha hat-sha all fall down)* ring a ring of roses a pocket full of posies (hot-sha hat-sha all fall down)* the king has sent his daughter to fetch a pail of water (hot-sha hat-sha all f

发表于:2019-01-03 / 阅读(250) / 评论(0) 分类 优美儿童英语歌曲

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(188) / 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(248) / 评论(0) 分类 Scientific American(三)月

发表于:2019-01-10 / 阅读(279) / 评论(0) 分类 Wee Sing Around the World

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

歌词如下: Ring,ring,ring the bells, Ring them loud and clear. To tell the children everywhere, That Christmastime is here. Ring,ring,ring the bells, Ring them loud and clear. To tell the children everywhere, That Christmastime is here.

发表于:2019-01-28 / 阅读(175) / 评论(0) 分类 英语儿歌274首

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(128) / 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(203) / 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(122) / 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(185) / 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(229) / 评论(0) 分类 莎士比亚十四行诗全集
学英语单词
Acetoanaerobium
algorithmicize
amateur art club
any moment
ballistic deflection
bandaite
barrier lagoon
bednarek
biparental zygote
blood forming crgan
boardss
boguing
bottle food
broken brown rice
Cauchy dispersion formula
chlorophthalmid
chromagenesis
conventional grinder
copper-constantan temperature
cracking equipment
cresol saponatus
Czechoslovakia
daun
decriminalisation
digital dementia
dilaurylthiodipropionate
double enveloping worm gear pair with straight line generatrix
economic and technical development zone
edi forwarding
EGDS
el-din
erasures
feet switch
follicular spicule
free tree
girl crazier
grand average
grassland biomes
hawk noses
Heaviside mutual-inductance bridge
hellhole
Hyamate
IDer
infor
intersaccade
kasell
legatura
liguor
long-clawed prawn
low density flow
Malo-les-Bains
meneer
middle american seaway
musculus protractor pinnae analis
negative colony
newman-keuls
non-relapsings
offensive goods
OHPA
Osinovoye Pleso
palate bone (or palatine)
pedal adjusting collar
peplum
Pettinascura, Mte.
photoeffect detector
power burst
punch formers
Queets
rational geometric design
recensuses
reference clause
s-Trioxane
salauds
scapholunatum
Scutellaria regeliana
service encounter satisfaction
signal/crosstalk ratio
skip trajectory
slurpier
small biological cycle system
soft boil
stack limit register
station-house
sterocilia
subliminal channel
sulfanilyl-
suppliment
takes the field
tenonitis of biceps brachii
tin-indium film
unburned combustible in fly ash
unlike-signed correlation
venae angularis
ventrodosal
vouh
vulcanology
wasecoat
water pollution detection system
wave-induced drift current
Wollaston Lake
yolk diluent
You could have knocked me him down with a feather.