【有机化学】烯丙基[亦作allyl radical]

THIS IS AMERICA - Girl Groups' in Rock Music By Robert Brumfield Broadcast: Monday, February 02, 2004 (THEME) VOICE: Welcome to THIS IS AMERICA, in VOA Special English. I'm Phoebe Zimmermann. In the l

发表于:2018-12-07 / 阅读(258) / 评论(0) 分类 This is America

Katia / Mexico speaker I prefer studying alone, because if I have to work on one particular issue, I stay as long as I need to, studying that part. So, I'd rather study by myself. Sunny / Korea speaker I think I prefer studying in groups, because I c

发表于:2018-12-28 / 阅读(257) / 评论(0) 分类 一起闲话英语-English Chitchat

Too often young Somali-Americans have made news for all the wrong reasons. Some young people have fallen victim to drug abuse or the appeal of gang violence. Others have turned to extremist ideology. But youth organizations in the American state of M

发表于:2019-01-02 / 阅读(243) / 评论(0) 分类 2017年VOA慢速英语(四)月

AS IT IS 2014-09-04 Rights Groups: Thailand Suppresses Freedom Thailands military and police have stopped the release of an independent report on human rights. The report examines human rights in Thailand during the first 100 days under military rule

发表于:2019-01-12 / 阅读(274) / 评论(0) 分类 2014年VOA慢速英语(九)月

By Meredith Buel Washington 01 February 2006 An expert on global terrorism says there are now up to 40 groups around the world trying to imitate al-Qaida and virtually all of them are intent on attack

发表于:2019-01-13 / 阅读(306) / 评论(0) 分类 2006年VOA标准英语(二月)

Two splinter paramilitary groups in Northern Ireland have given up their weapons to an international commission monitoring what is known as 'decommissioning.' The two groups have for decades been waging an armed campaign against British sovereignty o

发表于:2019-01-13 / 阅读(243) / 评论(0) 分类 VOA标准英语2010年(二月)

Gay Rights Groups Push for Anti-Discrimination Laws George Ramirez and his partner German Roa have lived together for 16 years. Now, they are allowed to marry in Maryland, after voters there endorsed a law legalizing same-sex marriage. We want the op

发表于:2019-01-14 / 阅读(246) / 评论(0) 分类 VOA标准英语2012年(十二月)

Experts: Radical Groups Thrive on Popular Discontent WASHINGTON Islamist terrorism is surging in many places worldwide, including in Western societies. Governments are fighting to curb the spread of radical groups in the Arab world, and their influen

发表于:2019-01-14 / 阅读(272) / 评论(0) 分类 VOA标准英语2015年(五月)

RACHEL MARTIN, HOST: President Trump signed several executive orders yesterday. One of them was related to abortion. His order restored something called the Mexico City policy, which bars U.S. funding for any international aid group that provides abo

发表于:2019-01-16 / 阅读(259) / 评论(0) 分类 2017年NPR美国国家公共电台1月

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- English teacher Lida Baker in Los Angeles talks about improving English pronunciation by understanding the idea of thought groups. RS: Thought groups are something we don't even

发表于:2019-01-18 / 阅读(196) / 评论(0) 分类 英语单词大师-Word Master

Voice 1 Hello. Welcome to Spotlight. Im Bruce Gulland. Voice 2 And Im Marina Santee. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 The sun sets ove

发表于:2019-01-19 / 阅读(236) / 评论(0) 分类 环球英语 Spotlight

Colombia's largest armed rebel groups, the FARC and ELN, have met to strengthen their unification process. In a statement, the FARC says incidents which led to the distancing between the groups have been overcome. The FARC has also stressed the need

发表于:2019-01-19 / 阅读(231) / 评论(0) 分类 世界各地新闻集锦

By Steve Herman New Delhi 03 September 2007 Two ethnic groups from southern Nepal are claiming responsibility for Sunday's deadly bombings in the Himalayan nation's capital. VOA's Steve Herman reports from our South Asia bureau in New Delhi. Nepalese

发表于:2019-01-26 / 阅读(304) / 评论(0) 分类 2007年VOA标准英语(九月)

By Nick Wadhams Nairobi 31 October 2007 About 40 international aid groups have issued a joint appeal to the international community about the growing humanitarian crisis in Somalia. As Nick Wadhams reports from Nairobi, the groups say that security h

发表于:2019-01-31 / 阅读(265) / 评论(0) 分类 2007年VOA常速英语(十月)

By Selah Hennessy Goma 22 December 2007 A summit has been called in the Democratic Republic of Congo (DRC) to try to bring peace to the war-torn country. Conference organizers say they hope the meeting will initiate a dialogue between the army, reneg

发表于:2019-01-31 / 阅读(226) / 评论(0) 分类 VOA常速英语2007年(十二月)

A small Islamic sect has been the target of violent attacks and is at the center of a national debate in Indonesia over religious freedom. As Chad Bouchard reports from Jakarta, recent restrictions on the Ahmadiyah sect could signal a shift in gover

发表于:2019-02-06 / 阅读(260) / 评论(0) 分类 VOA标准英语2008年(七月)

By Claudia Blume Hong Kong 16 November 2007 Hong Kong-based human rights groups who recently returned from a fact-finding mission to the Philippines found that the frequency of extrajudicial killings in the country has gone down. Disappearances, howe

发表于:2019-02-08 / 阅读(286) / 评论(0) 分类 VOA常速英语2007年(十一月)

By Noel King Kigali 19 October 2007 Congo's 2006 democratic elections were intended to usher in a new era of peace in the once war-torn nation. And while improvements have been seen in certain areas across the vast country, holdout armed groups in th

发表于:2019-02-08 / 阅读(428) / 评论(0) 分类 2007年VOA常速英语(十月)

Occupy Wall St which began in New York in September has spread around the world. By last Saturday, there were 2,668 groups in about 100 countries. Occupy protest groups have been in our main cities for the last six weeks but now councils are getting

发表于:2019-02-17 / 阅读(241) / 评论(0) 分类 新西兰英语

The practice of medical groups in China only emerged in recent years. It's when a number of doctors come together, they can carry out medical treatments independently, without being employed by any public or private hospital. Such a move is unconvent

发表于:2019-02-25 / 阅读(237) / 评论(0) 分类 cctv9英语新闻2016年
学英语单词
Absentol
acaleph
actual time of arrival (ata)
adopt-a-pet
allophonic realization
alteplase
alternative drum
Ati, Jab.
awesome-sauce
banner bearer
Bay of Mecklenburg
beat a drum
beauty therapist
bosque
buckjumper
Cannoniers Pt.
corpus luteum theory
creper
crisses
dace mud carp (cirrhinus molitorella)
dalyite
decussate arrangement of leaves
delirium tremens
despeckled
diamond skin lesion
drink driving
electrooptic crystal light valve
eserine sulfate
film converter
flight hazards
font mold
geranylgeranylation
glitchfests
Guarani
hanslicks
homostolus acer
hopper-shed support tunnelling method
how right you are
hypernephroid
hypnofetish
indirect adjustment
kasiser windows in spectrum analysis
kryogen blue
life linesman
linguiformis
lispe sericipalpis
man of men
marginations
masthead sloop
means antihunt means
Megaloduodenum
membrane potentials
monobasic acid
n-dimensional geometry
nerita
nicoteine
nod to
noise of marine main engine and auxiliary machine
nonuniformity of colour subcarrier modulation
officiators
one time pad
Ono-i-Lau
opisthogoneate
overflow signal
P-list
paraphora
pennorth, pennorth
phallogocentric
pick-up amplifier
pimpinella calycina maxim.
plain steels
pododunera
poikilohydric plant
reliability constraint
ringeth
San Bartolomé de Pinares
septillions
servopiston
sibyl
snow lilies
splendence
stadda
starch lump
stiffens
stress threshold
strip surfacing
subtarsal ligament
subtour
talcuming
tap bolt
tape-to-card convert program
Taviani brothers
tenia-
think out loud
tildas
transitory contact
turbine efficiency
vegetated waterway
wear one's heart on one's sleeve
weir flow
wood protection in storage