8-氯苯硫代cAMP

Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

发表于:2018-12-18 / 阅读(110) / 评论(0) 分类 万物简史

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(92) / 评论(0) 分类 Scientific American(三)月

Fun Fact: Alligators Can Regrow Teeth 有趣的事实:短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal

发表于:2018-12-28 / 阅读(57) / 评论(0) 分类 初学者听力文摘精选

its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th

发表于:2018-12-31 / 阅读(52) / 评论(0) 分类 英语听力文摘 English Digest

Marlboro is the worlds largest selling brand of cigarettes. It is made by the Philip Morris Company, originally a London-based cigarette maker. Philip Morris named the cigarette after the location of the companys first factory in Londons Great Marlbo

发表于:2019-01-01 / 阅读(78) / 评论(0) 分类 各大品牌英文介绍

Writer Dorothy West: Last Living Member of Harlem Renaissance Written by Doreen Baingana (MUSIC) VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with the Special English Program, PEOPLE IN AMERICA. Every week, we tell about a person w

发表于:2019-01-02 / 阅读(84) / 评论(0) 分类 名人轶事

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:2019-01-02 / 阅读(102) / 评论(0) 分类 午后咖啡

If you are like many language students, you might have a problem with procrastination. Perhaps you are slow to do homework or study for a test. Maybe you do not like to study or you become distracted while studying. Whatever the case may be, learning

发表于:2019-01-02 / 阅读(403) / 评论(0) 分类 2017年VOA慢速英语(六)月

PEOPLE IN AMERICA - May 12, 2002: Dorothy West By Doreen Baingana VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with the Special English Program, PEOPLE IN AMERICA. Every week, we te

发表于:2019-01-07 / 阅读(154) / 评论(0) 分类 People in America

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(99) / 评论(0) 分类 Scientific American(四)月

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(98) / 评论(0) 分类 Scientific American(十一)月

Syrian Refugees Watch Violence Unfold from Border Camp Syrian helicopters buzz rebel-held territory - occasionally firing rockets that raise plumes of smoke. Army snipers holed up in a minaret take aim at anyone trying to flee Syria. Kilis refugee ca

发表于:2019-01-13 / 阅读(49) / 评论(0) 分类 VOA标准英语2012年(七月)

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: Anu Garg, creator of the A.Word.A.Day Web site and author of a new book called Another Word A Day: An All-New Romp Through Some of the Most Unusual and Intriguing Words in English

发表于:2019-01-18 / 阅读(114) / 评论(0) 分类 英语单词大师-Word Master

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(209) / 评论(0) 分类 英语新闻

BEIJING, Aug. 8 (Xinhua) -- China on Wednesday started to review anti-dumping measures it imposed on chloroprene rubber imported from a Japanese company, the Ministry of Commerce said. The move came after the ministry received complaints that Japan E

发表于:2019-02-05 / 阅读(148) / 评论(0) 分类 英语新闻

Ganso could be out until 2013, says physio RIO DE JANEIRO, Sept. 28 (Xinhua) -- Brazil midfielder Paulo Henrique Ganso could be forced to wait until next year to make his debut for new club Sao Paulo. Ganso, who joined the Brazilian top division outf

发表于:2019-02-06 / 阅读(143) / 评论(0) 分类 英语新闻

Cement is a major component of concrete, the world's most widely used man-made material, an integral part of roads, bridges and buildings. But making cement requires heating limestone and other materials to very high temperatures, a process that rele

发表于:2019-02-08 / 阅读(171) / 评论(0) 分类 VOA标准英语2010年(一月)

RABAT, Dec. 26 (Xinhua) -- The Moroccan national team coach Rachid Taoussi announced Wednesday the squad for the finals of the African Cup of Nations (ACN-2013) in South Africa from January 19 to February 10. Taoussi left out Queens Park Rangers forw

发表于:2019-02-08 / 阅读(120) / 评论(0) 分类 英语新闻

The International Organization for Migration says about 1,000 Moroccan migrants who came to Italy with the promise of seasonal work, are living in squalid conditions on abandoned farms. IOM says the migrants were lured to Italy with false promises o

发表于:2019-02-12 / 阅读(77) / 评论(0) 分类 VOA标准英语2009年(八月)

今天我们要学的词是summer camp。 Summer camp, 夏令营。Going to summer camp is a long tradition in the U.S. 送孩子去夏令营是美国一个历史悠久的传统。Some 8 million children attend summer camps each year, 每年有大约八

发表于:2019-02-18 / 阅读(77) / 评论(0) 分类 英语单词荟萃
学英语单词
A.L.E.
agammaglobulinemia
Aldrovando, Ulyssi
approach approximate stationarity
approach course
attomolar
bowtie pastas
Bryza
cage circuit
catalytic poison
cenurus
codeterministic system
coefficient of sound insulation
commiserating
creoform
cut something off
dash area
deadlands
deep short
detailed list of goods
die sinking
diversification of export
Duchenne-Erbparalysis
duprene(rubber)
dynamic duo
electric-capacity type liquidometer
enameler
enchondromatosis
endemic enteritis
fleet auxiliaries
floating rate mortgage
fluctuating dipole bond
goldplated
gonocalyx
gummosities
have a chill
Heterostigmata
high sensitive relay
hotel billing information system
Hypoparia
igfa
infefinite term
late-summer
lelo
lillico
literacy-rich
loaded work piece
martinwitics stainless steel
Matos Costa
methyl n-butprate
nasrah
Neagle, Dame Anna
net theory
nsutite
petroselinum crispum tuberosums
phalanges tungual
planiform
poon
pourvu
prejudiced
pretres
primary circle
psoas minor
reinforcement layup
request on-line
Rhododendron campylogynum
riffaterre
rouvilleite
safe shut-down
sbrocco
scrabblier
smoothing plate
steamed-up
stern-on
stimies
swept front end type spectrum analyzer
synodontiss
taken with the manner
the sword
the worm of conscience
timepleaser
tongue lashings
total conjugation
tralee b.
transverse facial fracture
tuo-name
tween decker
unstudded shortlink chain
uzzi
vagilen
vestibulomyogenic
wardeth
wet calender stack
what's the matter
whodunnits
whore around
wind chill factor
wing dam
wire clippers
Yamanashi-ken
zapotin