[化] 松香酸; 可氧化的松香酸

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(320) / 评论(0) 分类 (科普英语)Earth and Sky

At this time of year when, everywhere we look, Americans are tempted by fattening holiday treats, many of us are resolving to lose weight in the New Year. So stepping on a scale is no fun unless you're the Columbus, Ohio, artist who has hopped onto t

发表于:2018-12-08 / 阅读(158) / 评论(0) 分类 VOA标准英语2009年(十二月)

Julie Chen: Of the style of 1950s is one of extremes, conservative at one hand and glamorous on the other. Joining us now Valerie Steele, director and chief curator of the museum at the Fashion Institute of Technology and Joe Warren of the Warren-Tr

发表于:2018-12-11 / 阅读(162) / 评论(0) 分类 访谈录2008

U.S. Republicans have elected the first African-American to head their party's national committee. Top Republicans from around the country chose former Maryland Lieutenant-Governor Michael Steele to be the next chairman of the Republican National Com

发表于:2018-12-19 / 阅读(129) / 评论(0) 分类 VOA双语新闻 2009年2月

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(369) / 评论(0) 分类 知性英语

Section 28 Acid Rain 50 years ago, no one talked about acid rain. Then we didn't really know the harm it was causing to the world. Today almost every adult and school child is aware of acid rain and i

发表于:2019-01-02 / 阅读(235) / 评论(0) 分类 英语导读1000句

By Bill Rodgers Washington, DC 02 November 2006 watch Black Candidates report Two African American candidates running for the U.S. Senate this year appear to have a chance to win election -- and make history. Democratic Party Congressman Harold Ford

发表于:2019-01-07 / 阅读(182) / 评论(0) 分类 2006年VOA标准英语(十一月)

So Ron Paul supports Michael Steele's comments about the Afghan war. Well, there's one, because many Republicans are ripping him apart and wishing the party head would think before he jams his foot in the party's mouth. In case you missed it, here's

发表于:2019-01-08 / 阅读(263) / 评论(0) 分类 CNN2010年(七)月

U.S. Republicans have elected the first African-American to head their party's national committee. Top Republicans from around the country chose former Maryland Lieutenant-Governor Michael Steele to be the next chairman of the Republican National Co

发表于:2019-01-11 / 阅读(128) / 评论(0) 分类 VOA标准英语2009年(二月)

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(236) / 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(228) / 评论(0) 分类 2016年VOA慢速英语(二)月

Acid Attacks Continue in Cambodia Despite Harsher Punishments For Som Bunnarith, memories of the day acid violence changed his life forever are as vivid in his mind as the scars on his skin. When it splashed on me, it felt hot. It even burned through

发表于:2019-01-13 / 阅读(207) / 评论(0) 分类 VOA标准英语2012年(九月)

Pakistani Acid-Attack Victim Enjoys New Life in Texas After taking the oath of citizenship, Julie Aftab celebrated. I have waited eight-and-a-half years to hear those words, and those words mean so much to me, she said. Ten years ago, when she was 16

发表于:2019-01-13 / 阅读(187) / 评论(0) 分类 VOA标准英语2012年(八月)

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(235) / 评论(0) 分类 VOA标准英语2013年(四月)

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(276) / 评论(0) 分类 VOA常速英语2007年(十一月)

ROBERT SIEGEL, HOST: The near-daily stream of revelations of sexual harassment has become a cultural crisis. So we asked one of our cultural correspondents to think about the place where many of these incidents seem to happen - the workplace, where p

发表于:2019-01-16 / 阅读(178) / 评论(0) 分类 2017年NPR美国国家公共电台12月

By Jim Randle Irbil, Iraq 13 October 2007 In Iraq Saturday, a key Shi'ite political figure said there should be no permanent foreign military bases in Iraq. VOA's Jim Randle reports from northern Iraq. Ammar al-Hakim, the second-ranking person in Ira

发表于:2019-01-25 / 阅读(157) / 评论(0) 分类 2007年VOA常速英语(十月)

It looks like blueprints. 这看起来像是副工程图 Do you know what of? 你知道是什么的工程图吗 The Exchange Building. Never heard of it. 交易所大厦。没听说过 It's where the Unidac Industry's auction is scheduled to take pla

发表于:2019-01-29 / 阅读(140) / 评论(0) 分类 绿箭侠第一季

6 Signs Your Job May Be in Jeopardy 你的工作处于危险中的6个信号 If you're worried that the daily dose of bad news about the economy could impact your next paycheck, you're not alone. 如果你在担心每天听到的经济危机的恶讯会

发表于:2019-02-21 / 阅读(148) / 评论(0) 分类 实用英语

On September 18th, all New Zealand bread was going to have folic acid added to it. However, now the government has decided to wait three years. New Zealand and Australia have an agreement about food standards. Australia is going to add folic acid to

发表于:2019-02-25 / 阅读(259) / 评论(0) 分类 新西兰英语
学英语单词
aftersales
ballistic entry
battery current
be fooled
beginning form
bog bilberries
bunion
buoy anchoring
calocybe ionides
chirpsed
citron soap
composite brick
conductivity signal
conscioned
continuous seismic source
control facility
cooncan
cooner
cut someone short
data recall
deficiency of coagulation factors
distortionless dialing
do do
drawn-in scale
efficient assembly system
electronic position fixing system
every once in a while
femtobarn
Fendon
fragment
Freud's treatment
genus garcinias
grandboomers
hepatocrinin
herstorian
highdown
hygrotons
inanition fever
input/output command double words
investment decision of firms
isotopic multiplicity
jetstream
kenosis
KFS San Francis Co
kongoes
l'interpretation
L-meson
long-term bond
lysophospholipid
Mae West
maise
masticating
mathew b. bradies
mature equivalent
mendeleeve's law
mississippiensis
monadin
morphom
mucous membrane knife
multigraphs
naked warrants
noite
non-rival
oculocerebral
outgoers
paint by numbers
pathlengths
permanent modulation
pin-type clutch
platyhieric
podetium(pl.podetia)
Polymorphus
porthouse
primacy effect
propellant container
public-pensions
recapitalise
resist arrest
room parent
rose curve
Saussurea variiloba
schadler
screen wire
secondary disposition
shielded macro camera
shotten
smooth-bore
sound talkie
source macrodefinition
stinking gladwyn
structured cataloging of file
stub card
tachyscope
takeoff rotor speed
television international program change relay
The short straw
U10858
unal
underrobe
vorlage
water molecules