[化] 阿姆斯特朗酸; 即薛佛酸(2-萘酚-6-磺酸); 萘-1,5-二磺酸

Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J

发表于:2018-12-07 / 阅读(251) / 评论(0) 分类 (科普英语)Earth and Sky

How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t

发表于:2019-01-02 / 阅读(291) / 评论(0) 分类 知性英语

Can Folic Acid Prevent Childhood Autism? From VOA Learning English, this is the Health Report in Special English. A new study found that women who took folic acid supplements in early pregnancy were less likely to have a child with autism. Folic acid

发表于:2019-01-12 / 阅读(177) / 评论(0) 分类 2013年VOA慢速英语(五)月

AS IT IS 2016-02-13 Work Soothes Pain of Acid Attacks In India A caf in India is hiring women who once stayed in hiding after being attacked with acid. One woman, Dolly Kumari, says she stayed inside for two years after a man threw acid on her. He wa

发表于:2019-01-12 / 阅读(161) / 评论(0) 分类 2016年VOA慢速英语(二)月

Magnetic Ring Used to Stop Acid Reflux Heartburn is usually linked to gastric acid that reaches the esophagus when a weak muscle does not close as it should after swallowing. When stomach juices back up into the esophagus, the acid can cause a burnin

发表于:2019-01-14 / 阅读(164) / 评论(0) 分类 VOA标准英语2013年(四月)

Louis Armstrong Knocks Out The Beatles This week marks an unusual 50th anniversary: the last hurrah for one of the legends of American jazz and for a type of American music that, after this time, would never again be as popular. In the spring of 1964

发表于:2019-01-14 / 阅读(182) / 评论(0) 分类 VOA标准英语2014年(五月)

By Birungi Machrine Kampala 26 November 2007 Attacks using acid are becoming more frequent in Uganda. Up to 2003, there were only 145 recorded attacks, but over the last three years, there have already been 87. Survivors often suffer from severe emot

发表于:2019-01-16 / 阅读(209) / 评论(0) 分类 VOA常速英语2007年(十一月)

By Nancy Steinbach Broadcast: August 6, 2003 This is Bill White with the VOA Special English Health Report. American bicycle racer Lance Armstrong says he will attempt to set a record next year and wi

发表于:2019-01-25 / 阅读(219) / 评论(0) 分类 VOA2003(下)-环境与健康

PEOPLE IN AMERICA - Louis Armstrong By Cynthia Kirk Broadcast: Sunday, April 11, 2004 (THEME) VOICE ONE: This is Gwen Outen. VOICE TWO: 'Satchmo' And this is Steve Ember with People in America in VOA

发表于:2019-01-30 / 阅读(148) / 评论(0) 分类 People in America

AMERICAN MOSAIC - Sports Mascots / Neil Armstrong / Music by Jen Chapin By Caty Weaver Broadcast: Friday, April 02, 2004 (THEME) HOST: Welcome to AMERICAN MOSAIC, in VOA Special English. (THEME) This

发表于:2019-01-30 / 阅读(174) / 评论(0) 分类 American Mosaic

A firestorm has erupted over allegations on a U.S. television networks report that seven-time Tour de France cycling champion Lance Armstrong used banned substances(物资,基本内容) to achieve greatness. Lance Armstrong won a record seven Tour de

发表于:2019-02-02 / 阅读(106) / 评论(0) 分类 英语新闻

BEIJING, Jan. 15 (Xinhuanet) U.S. top rank cyclist Lance Armstrong confessed to Oprah Winfrey during an interview on Monday that he used performance-enhancing drugs to win the Tour de France. Armstrong said he was prepared to speak candidly during th

发表于:2019-02-07 / 阅读(136) / 评论(0) 分类 英语新闻

NEW YORK, Jan. 17 (Xinhua) -- American cyclist Lance Armstrong was stripped of a bronze medal he won at the 2000 Olympic Games by the International Olympic Committee (IOC) on Thursday, hours before the airing of his interview with Oprah Winfrey in a

发表于:2019-02-07 / 阅读(123) / 评论(0) 分类 英语新闻

USADA hails UCI's right decision in Armstrong case BEIJING, Oct. 23 (Xinhua) -- Cycling's governing body UCI has made the right decision to strip Lance Armstrong of his seven Tour de France titles, U.S. Anti-Doping Agency chief Travis Tygart said on

发表于:2019-02-17 / 阅读(123) / 评论(0) 分类 英语新闻

USADA release strong evidence for Lance Armstrong doping case WASHINGTON, Oct. 11 (Xinhua) -- The U.S. Anti-Doping Agency on Wednesday issued a 1000-page investigation report full of evidence that shows the world's most famous cyclist Lance Armstrong

发表于:2019-02-18 / 阅读(103) / 评论(0) 分类 英语新闻

In 1962, NASA decided to bring more astronauts into the space program. NASA especially wanted test pilots and men with engineering backgrounds. Neil Armstrong met all the qualifications. He was less than thirty-five years old, in perfect health, and

发表于:2019-02-21 / 阅读(122) / 评论(0) 分类 名人认知系列 Who Was

Neil had been younger than nearly all the other students when he first enrolled at Purdue. But hed been away for three years. When he returned in September of 1952, he was twenty-two and older than most students. He was more mature. He was ready to s

发表于:2019-02-21 / 阅读(107) / 评论(0) 分类 名人认知系列 Who Was

When Neil started college, he had just turned seventeen. For the first time he was living away from his family. He got decent grades, as he had in high school. But he wasnt focused on his studies, and the science classes were hard. He described his f

发表于:2019-02-21 / 阅读(114) / 评论(0) 分类 名人认知系列 Who Was

ON MAY 20, 1927, A YOUNG PILOT NAMED CHARLES LINDBERGH SET OUT FROM LONG ISLAND ALL BY HIMSELF IN A SMALL, SINGLE-ENGINE PLANE TO CROSS THE ATLANTIC OCEAN. IT WAS CALLED THE SPIRIT OF ST. LOUIS. THE TRIP WAS DARING AND DANGEROUS. LINDBERGH HAD NO RAD

发表于:2019-02-21 / 阅读(106) / 评论(0) 分类 名人认知系列 Who Was

It is July 16, 1969. By 9 A.M. the temperature hits a whopping ninety degrees. Thats just a typical summer morning in central Florida. The heat does not stop a crowd of a million people from coming as close to Cape Kennedy as they can get. That is wh

发表于:2019-02-21 / 阅读(110) / 评论(0) 分类 名人认知系列 Who Was
学英语单词
a bad hat
anodic inhibitor
astronaut's wife
average number of vehicles
banded sand snake
bedrift
berkelium sulfide
bulder
bylink
calyxed
casino capitalism
cbing
cereal grasses
coefficient of dispersion
compulsory winding up by the court
concrete chute
cuete
derelicts
ds2
duplicate gear
eat up something
economic benefit of soil and water conservation
embedded resistor
emergency coupling device
enterprise executive staff
epidermal appendages
ethyl amyl carbinol
F-105
fashion company
ferrite
galloping test
geostrophic value
hand brake adjusting bolt bracket
hang on every word
heavy break
hold in readiness
infrared over-the-horizon communication
inter row cultivator
interim audit work
ionizing radiation effect
jolin
keep your head
lamina arcus vertebraes
lens distance
machine controller
markstrom
melter products
merendino
micrococcus lactis viscosus
multimode fiber attenuation
multiwavelengths
new line character
nominal scaling
nonwomen
operating divisions
out-of-step operation with excitation
parallel processing
pillworts
planning time horizon
Poiseuille,Jean Louis Marie
port landing light
premixed elements
presumption of advancement
probe drilling system
Puerto López
pulse reactor
pyridine dye
quiblin
ratak
reaction mixture
rebaptized
repurifies
rookin'
rosbifs
rug-saw
rundalls
selfheals
shabbats
sheet-and-half foolscap
shell type bearing
silvern
simulation data subsystem
single tax system
spot definition
static pile-pushing/pulling device
summer sweets
telegram facsimile
The Ashes
thirteenths
Thom-Gysin isomorphism
training computer
transferror
triggered multivibrator
unsting
Venetian mosaic
ventilation appliance
Venturi scrubbing
verkhne imbatsk
Vidio, C.
waxless character
Yalasso
yellow rice