[网络] 三氟乙酰氯;三氟乙酸氯;三氟乙酰基

In countries around the world, hundreds of thousands of poor people face daily hazards to earn meager livings by scavenging for recyclable goods. In Cambodia, hundreds of scavenger families find their lives changing - they will lose their homes and

发表于:2018-12-16 / 阅读(184) / 评论(0) 分类 VOA标准英语2008年(十月)

By Michael Bowman Washington 04 June 2008 Late Tuesday, Illinois Senator Barack Obama made history as the first African American to win the presidential nomination of a major U.S. political party, becoming the presumptive Democratic standard bearer.

发表于:2019-01-11 / 阅读(172) / 评论(0) 分类 VOA标准英语2008年(六月)

By Meredith Buel Washington 27 October 2006 The United States says it is ready to help Saudi Arabia defend its oil facilities against terrorist threats, following a statement by the British navy asking merchant shippers to be on alert for suspicious

发表于:2019-01-12 / 阅读(217) / 评论(0) 分类 2006年VOA标准英语(十月)

By Dan Robinson Capitol Hill 25 April 2006 A U.S. government official has told Congress Iraq's new government will require long-term U.S. and international assistance if reconstruction efforts are to

发表于:2019-01-13 / 阅读(235) / 评论(0) 分类 2006年VOA标准英语(四月)

By Dan Robinson Washington 29 March 2007 A detainee at Guantanamo Bay, Cuba being escorted by two U.S. soldiers Arguments for and against the closure of the U.S. facility at Guantanamo Bay, Cuba used for the interrogation and detention of suspected t

发表于:2019-01-13 / 阅读(287) / 评论(0) 分类 2007年VOA标准英语(三月)

By Jim Randle Pittsburgh 25 September 2009 Leaders of 20 of the world's leading and emerging economies are gathered in Pittsburgh, seeking ways to fight the recession, and keep economic troubles from breaking out again. Friday, presidents, prime min

发表于:2019-01-13 / 阅读(152) / 评论(0) 分类 VOA标准英语2009年(九月)

Negotiators at the climate summit in Copenhagen last month failed to agree on a new climate change treaty to replace the current Kyoto Protocol before it expires in 2012. Jonathan Lash is president of World Resources Institute, an environmental polic

发表于:2019-01-13 / 阅读(168) / 评论(0) 分类 VOA标准英语2010年(一月)

Ethnic Karen minority children play soccer on a muddy field at their refugee camp along the Thai-Burma border near Mae Sot, Thailand, 29 Jun 2010 Burma's ethnic Karen communities and rights groups are reporting stepped up attacks by Burma's military

发表于:2019-01-13 / 阅读(170) / 评论(0) 分类 VOA标准英语2010年(七)月

Swaziland has one of the highest HIV prevalence rates in the world - 26 percent for those between the ages of 15 and 29. But to deal with the epidemic, health officials must do more than increase treatment, care and prevention efforts. They must also

发表于:2019-01-14 / 阅读(173) / 评论(0) 分类 VOA标准英语2010年(十)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(216) / 评论(0) 分类 英语单词大师-Word Master

By Chris Simkins Washington 16 April 2008 Millions of Americans could lose their homes this year and next as the rate of foreclosures across the United States rises to the highest in decades. The foreclosure crisis has worsened despite ongoing effort

发表于:2019-01-31 / 阅读(170) / 评论(0) 分类 VOA常速英语2008年(四月)

今天我们要讲的习惯用语里都有一个主要的单词:scratch。很多人都知道scratch这个词的意思是抓、或者刨刮表面。你要是给蚊子叮了一口,你就会这样做:scratch your skin with your fingernails。就是你

发表于:2019-02-03 / 阅读(295) / 评论(0) 分类 美国习惯用语

By Al Pessin Pentagon 06 February 2008 U.S. Defense Secretary Robert Gates faces his NATO counterparts at a meeting starting Thursday in Lithuania, just days after comments he made and letters he wrote generated angry responses from some allies. VOA

发表于:2019-02-04 / 阅读(190) / 评论(0) 分类 VOA常速英语2008年(二月)

By Gary Thomas Washington 20 March 2008 Loyalists of President Mahmoud Ahmadinejad were big winners in the recent parliamentary elections. With many reformists locked out of the electoral process, the contests were primarily between different faction

发表于:2019-02-04 / 阅读(166) / 评论(0) 分类 VOA标准英语2008年(三月)

By Peter Heinlein Addis Ababa, Ethiopia 17 October 2007 A group concerned with human rights in Ethiopia's eastern Ogaden region says refugees fleeing to neighboring Somalia are being rounded up by Somali authorities and handed over to Ethiopian troop

发表于:2019-02-06 / 阅读(276) / 评论(0) 分类 2007年VOA常速英语(十月)

By Mil Arcega Washington 08 March 2007 watch Export Control report A coalition of technology and manufacturing associations is pushing for an overhaul of the nation's export control system. The group claims current U.S. regulations aimed at keeping

发表于:2019-02-07 / 阅读(214) / 评论(0) 分类 2007年VOA标准英语(三月)

By Jim Randle Irbil, Iraq 07 September 2007 Recent reports to the U.S. Congress about the situation in Iraq point to limited success by the Iraqi government in establishing security but continuing problems in bringing about political reconciliation.

发表于:2019-02-09 / 阅读(203) / 评论(0) 分类 2007年VOA标准英语(九月)
学英语单词
antibiotic microbes
antibiotic resistance
arms forward
auto decrement index mode
auxiliary messenger wire
axiom of extensionality
balloting committee
betentacled
bosatinib
bottom gears
bracketing
bts color code
calepitrimerus reticulatus
charted position
clock speeds
compilation time
composite applications
contrabandista
correction down
croceal
Czluchow
D-50
DDOCE
differential surface heating
DNS cache poisoning
earthling
emaki
equal.
equalization of telephone channel
Euler law
fiber strength
filmologists
fore-arc basin
Glos-la-Ferrière
green signal repeater
have something down cold
have the credit of
high-income shares
high-pressure coolant injection
hintz
hot wire transducer
in situ density
internal-combustion engine plant
Japan china
javelwater
joint nonparametric confidence interval
journalistic practice
key fobs
longwayss
louers
low burnup
lymphogranulomatosis inguinalis
Maintenance Expenses of Container Ship
microborer
multicover
negater spring
nonwheat
nuclear oceanography
optics flux
Ouassou
p-group
peach bell
plastic logic
plastic products
pseudocerebrin
rake over the ashes
receiving-transmitting level difference
resultant tool force on the tool flank
roll-over loan
Ruza
San FairyAnn
science projects
scootch
self cleaning car
separation levee
service-test guided missile
shell shock
shift left
Shirokiy Ustup
side furring
smear photograph
soapfilm
source-fibre coupling
speed and altitude supremacy
stamped money
state occasion
suburban coach
sulfo acid
tape bootstrap routine
terminal hinge position
thelophlebostemma
thinking much of
traffic signals
trioxime
Triraphis
two-group perturbation theory
unsolvable labelling procedure
user-written
vaginalocentesis
very high speed integrated circuit (vhsic)
vocational educations
Volovets