[化] 二硫化钯

(woman) Before starting our tour of Monticello, I'd like to give you some historical facts that might help you appreciate what you see today even more. Monticello was the very much loved home of Thomas Jefferson for over fifty years. Jefferson, who

发表于:2018-12-05 / 阅读(188) / 评论(0) 分类 托福听力短文

IN THE NEWS - Arrest of Mladic Brings Serbia a Step Closer to EU This is IN THE NEWS in VOA Special English. This week, Serbia arrested one of Europe's most wanted men. Former Bosnian Serb general Ratko Mladic spent sixteen years in hiding. He is acc

发表于:2018-12-07 / 阅读(207) / 评论(0) 分类 2011年VOA慢速英语(五)月

I couldn't get over this mess. The federal government is confirming what Joan Glickman of Pompano Beach, Florida suspected all along. Tainted drywall from China is giving off a harmful gas that's turning her air-conditioning wiring black, causing it

发表于:2018-12-20 / 阅读(200) / 评论(0) 分类 cnn2009年(十一)月

Mercury Fillings Seem Safer over Time A study in the journal Chemical Research in Toxicology finds that mercury on the surface of dental fillings slowly turns to an inert sulfide compound, which should keep the mercury from harming the nervous system

发表于:2019-01-02 / 阅读(281) / 评论(0) 分类 60秒科学

By Paul Sisco Washington, DC 02 June 2006 watch Hurricane Predictions Hurricane season in the Atlantic Ocean began June first. Alberto will be the first named Atlantic hurricane in 2006. Paul Sisco re

发表于:2019-01-04 / 阅读(253) / 评论(0) 分类 2006年VOA标准英语(六月)

By Lisa Bryant Paris 03 May 2006 A man pushes a cart filled with collected cardboard boxes past posters of former Bosnian Serb army commander Ratko Mladic The European Union has suspended talks on clo

发表于:2019-01-09 / 阅读(243) / 评论(0) 分类 2006年VOA标准英语(五月)

From VOA Learning English, this is the Health Lifestyle report. Garlic is one of the most common cooking ingredients around the world. Many dishes in Europe, Africa, Asia and the Americas use this strong-flavored vegetable. Garlic is similar to other

发表于:2019-01-12 / 阅读(258) / 评论(0) 分类 2016年VOA慢速英语(十二)月

By Sabina Castelfranco Rome 23 March 2008 Thousands of pilgrims gathered at the Vatican's Saint Peter's Square for Pope Benedict's open-air Easter Mass. In his Easter message, the Pope urged solutions to world trouble spots including Sudan's troubled

发表于:2019-01-12 / 阅读(195) / 评论(0) 分类 VOA标准英语2008年(三月)

By Ayaz Gul Islamabad 27 March 2008 Deputy Secretary of State John Negroponte has dismissed suggestions the United States is trying to dictate anti-terrorism policy to Pakistan's new government. Ayaz Gul reports from Islamabad the American diplomat m

发表于:2019-01-12 / 阅读(223) / 评论(0) 分类 VOA标准英语2008年(三月)

By Michael Drudge London 22 February 2006 A U.N. prosecutor says accused Bosnian war-crimes suspect Ratko Mladic remains at large in Serbia. The prosecutor, Carla del Ponte, spoke with reporters at Th

发表于:2019-01-13 / 阅读(292) / 评论(0) 分类 2006年VOA标准英语(二月)

By Alisha Ryu Nairobi 28 March 2007 The al-Qaida terrorist organization has issued a call for Islamic extremists around the world to come to the aid of Somalis fighting the country's Transitional Federal Government (TFG) and its chief backer in the r

发表于:2019-01-13 / 阅读(307) / 评论(0) 分类 2007年VOA标准英语(三月)

RareGadhafiFootageShowsLibyanDictator'sSofterSide Much of the world has seen the strong, loud and defiant side of the ousted Libyan leader. But there is another side, too. A family man with his granddaughter, recorded on home video found in Tripoli.

发表于:2019-01-13 / 阅读(231) / 评论(0) 分类 VOA标准英语2011年(九月)

DAVID GREENE, HOST: Monsanto, the pioneer of genetically modified food, likes to say it is rooted in science, but some leading scientists are accusing the company of denying evidence about the risks of its newest weedkilling technology. NPR's Dan Cha

发表于:2019-01-16 / 阅读(203) / 评论(0) 分类 2017年NPR美国国家公共电台10月

By Alex Villarreal Washington 17 April 2008 Pope Benedict is in Washington, marking his first visit to the United States since he was elected pope three years ago. As he left the White House in his first motorcade, the pontiff received a warm welcome

发表于:2019-01-20 / 阅读(202) / 评论(0) 分类 VOA常速英语2008年(四月)

Black Tongues and Stomach Aches Don: Oh, no, Ya?l, I think I'm having a medical emergency. Quick! Call an ambulance. Ya?l: A medical emergency, Don? Are you sure? You look fine to me! D: But I'm not. This morning, I had a terrible stomach ache. And n

发表于:2019-01-26 / 阅读(190) / 评论(0) 分类 英语听力文摘 English Digest

Sewage stinks. But bacteria can make it smell better. Oh, yeah? That's true. Certain forms of bacteria feasting on sewage give off hydrogen sulfide, a really malodorous chemical, and one of several that give sewage its pleasing smell. In general this

发表于:2019-01-26 / 阅读(195) / 评论(0) 分类 英语听力文摘 English Digest

By Alan Silverman Hollywood 05 August 2006 High speed, high thrills auto racing under the banner of NASCAR (the National Association for Stock Car Auto Racing) is one of the most popular spectator sports across the heartland of America. This fact ha

发表于:2019-02-03 / 阅读(240) / 评论(0) 分类 2006年VOA标准英语(八月)

By Barry Wood Belgrade 04 February 2008 Incumbent president of Serbia Boris Tadic won Sunday's presidential election, defeating by a narrow margin a pro-Russian nationalist candidate. VOA's Barry Wood reports from Belgrade. Boris Tadic (l), 03 Feb 20

发表于:2019-02-06 / 阅读(235) / 评论(0) 分类 VOA常速英语2008年(二月)

Broadcast on COAST TO COAST: July 10, 2003 AA: I'm Avi Arditti, Rosanne Skirble is away. This week on WORDMASTER -- a look at some of the ten-thousand new words and meanings in a popular American dictionary. Merriam-Webster's Collegiate Dictionary co

发表于:2019-02-16 / 阅读(183) / 评论(0) 分类 词汇大师(Wordmaster)

Bosnian Serb war crimes suspect Ratko Mladic plans to boycott a scheduled court appearance Monday at the U.N. war crimes tribunal in The Hague. A lawyer for Mladic said Sunday that the former Bosnian Serb military commander is refusing to appear beca

发表于:2019-02-17 / 阅读(239) / 评论(0) 分类 英语新闻
学英语单词
(terthiophen)yl
acetone extraction
adalet
adjustable-speed belt
air heat pump
alkoxys
all-invar cavity
anaglyphic stereoscopic map
APDF
aprosody
aquinas
atomic time scale
automobile finish
BDPM (battery-operated digital pressure monitor)
Bela Bartok
beltrami diffusion equation
birgu (vittoriosa)
boom tie
boredly
bracovirus
charmlessly
chloro-lactic acid
chondroosseous
clean work station
componendo
cor meurasthenicum
Corybas shanlinshiensis
credit rain simulation tester
Cruveilhier's nodules
depth-charge rocket launcher
dewpoints
discounted reward model
etendards
ferro-eckermannite
firl
freezing point depreesion
fsgs
gate bias
general operation procedure
grain fracture
gro-luxes
handed round
institutio
intervillous circuIation
intrinsic semi-conductor
irresolution
jiangxing
Lemyethna
lily-flowered
lipidomes
lobe-finneds
locateable
louisans
Mastacembelidae
multiple standard target
non-invasive
not to care a straw
opac-
over and above
over the long haul
oxidative systems of various groups of organisms
oxygenic biological fluidized bed reactor
paeanistic
pheumatic fibre separator
Pinis
pneumatic bridge hygrometer
Poisson process
polyamory
population trends
portable mould
powerset
putty coat
rational individual
recloaking
regulating circuit
regulation of constant current transformer
reliable text
resonance type CR oscillator
revolution per minute (rpm)
saturation of covalent bond
Schoenoplectus triqueter
schola
sclerotise
scombridaes
sea boat
self-service bookstore
sphaerocionium nitidulum
stainless steel electrode
stationary phase
steam flood area
stellaria
Streblus taxoides
strutts
Sylvian ossicle
take in water
tangear
tonal scale
TV transmitting antenna
unbalanced threephase load
unpriggishness
variable speed pulley
woowoo