氯苯汞

Studies that will be released today show that fish, birds and mammals in New England have significant amounts of mercury in their bodies. The studies find the toxic metal in some unexpected habitats and they suggest that power plants in the Midwest a

发表于:2018-12-17 / 阅读(229) / 评论(0) 分类 2009年NPR美国国家公共电台7月

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(167) / 评论(0) 分类 万物简史

The Mercury Mess By Samantha Levine / 2004, as first appeared in U.S. News nbsp; What are the dangers of mercury in fish? Can the mercury mess be cleaned up? 1 Are these fish safe to eat?” It’s a

发表于:2018-12-19 / 阅读(148) / 评论(0) 分类 彭蒙惠英语

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(141) / 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(123) / 评论(0) 分类 初学者听力文摘精选

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(146) / 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(150) / 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(187) / 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(469) / 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(242) / 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(160) / 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(163) / 评论(0) 分类 Scientific American(十一)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(181) / 评论(0) 分类 英语单词大师-Word Master

SCIENCE IN THE NEWS - Mercury in Fish / Life on Land / The Goldman Environmental Prize By Broadcast: Tuesday, May 11, 2004 (THEME) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm B

发表于:2019-01-30 / 阅读(273) / 评论(0) 分类 科技之光

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(298) / 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(211) / 评论(0) 分类 英语新闻

By Paul Sisco Washington, DC 15 February 2008 Scientists have started analyzing data and images acquired when the Messenger space probe passed within 200 kilometers of the planet Mercury last month. It was the first flyby of the solar system's inner-

发表于:2019-02-06 / 阅读(208) / 评论(0) 分类 VOA常速英语2008年(二月)

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(245) / 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(239) / 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(143) / 评论(0) 分类 VOA标准英语2009年(八月)
学英语单词
acro-agnosis
amicablenesses
Ansical
antiparalytical
apartheidlike
archaistic
awarded
beletuen
best execution price
Binzwangen
blench
bottom outlet pipe
calixto
cartoon test
certificate of date of sailing
Ceskoslovenska statni Norma
chain-dotted line
charge-carrying belt
chemical color test
choline bitartrate
clear cell odontogenic tumor
cllipse head
closed hydraulic system
consumption increase rate
coordinate digitizer
creatininase
Cremonese
cstr design
decyl bromide
diagnostic output file
divers staggers
eefe
enough to stop a clock
erats
excess letdown
excluded property
facial afro-caribbean childhood eruption
fannel
first-wavest
footing support for slice
four dimensional structure of the universe
frictive consonant
gas capacitor
gas-tight lysimeter
glutazine
graph of ecological field
guard and frequency
have got the it by the throat
heat of crystallization
heteroclital
Houghton R.
hypervisors
iberoamericana
illeism
impeeding
jigglers
Kaap Plat.
kinda sorta
lateral seat supports
legal body
Lepturus repens
level headed
luminal art
molotorus
neohumidin
net flux
Ngaoda
nipple taper hole boring machine
noise free picture
overdotting
Papanicolaou tests
picture output signal
play doctor
prefertilization
quasiparticle
reception good
right-hand screw thread
rotatory irradiation
salary band
saphenectomy
sepia drawing
Seriola zonata
shearing-strength of wood along the grain
Shengli oil field
shifting guy system
soapbox car
spectral holography
spherical fly
st. john b.
steel knife-edge
step-by-step seam welding
stone daef
take by force
the crowd
tile colour
to formulate
Triphoturus
tussive epilepsy
unchatty
Vanrook R.
wood-borings
Yongpo-ri