音标:[ɪf ənd ˈonli ɪf ˌɑpəˈreʃən] ;
当且仅当运算

RACHEL MARTIN, HOST: It was an undercover operation set in Argentina, 1960. An elite crew of Israeli agents secretly kidnapped one of the world's most notorious war criminals, a Nazi SS officer hiding in Buenos Aires. His name was Adolf Eichmann, and

发表于:2018-12-02 / 阅读(179) / 评论(0) 分类 2018年NPR美国国家公共电台8月

Lesson 77 A successful operation 一例成功的手术 First listen and then answer the question. 听录音,然后回答以下问题。 Did the doctors find out how the woman died? The mummy of an E

发表于:2018-12-08 / 阅读(344) / 评论(0) 分类 新概念英语第二册

British Prime Minister Theresa May in the cabinet office signs the official letter to European Council President Donald Tusk invoking Article 50 and the United Kingdom's intention to leave the EU. [Photo: Reuters] The UK has pulled the trigger for Br

发表于:2018-12-20 / 阅读(155) / 评论(0) 分类 2017CRI中国国际广播电台

SCIENCE REPORT – March 20, 2002: Uterus Transplant Operation By George Grow This is the VOA Special English SCIENCE REPORT. Doctors in Saudi Arabia have performed the first human uterus transplant o

发表于:2019-01-02 / 阅读(165) / 评论(0) 分类 科技之光

AZUZ: As part of that goal to maintain international security, NATO forces are currently fighting against the Taliban in Afghanistan. NATO commanders had been planning to launch an operation in the region around Kandahar -- Afghanistan's second-large

发表于:2019-01-08 / 阅读(169) / 评论(0) 分类 CNN2010年(四)月

Russia has ended its decade-long counterterrorism operation in Chechnya, an undertaking that led to broad restrictions on civil liberties in the war-torn Caucasus republic. The move could lead to the withdrawal of 20,000 Russian police and serviceme

发表于:2019-01-13 / 阅读(166) / 评论(0) 分类 VOA标准英语2009年(四月)

Military vehicles from last US combat unit in Iraq crosses Iraq's border into Kuwait, 18 Aug 2010 Two weeks ahead of a schedule set by President Barack Obama, the last large U.S. combat brigade has left Iraq. Pentagon officials stress that some Ameri

发表于:2019-01-13 / 阅读(150) / 评论(0) 分类 VOA标准英语2010年(八)月

By Cathy Majtenyi Nairobi, Kenya 26 December 2007 Watch Operation Smile Operation Smile is an international group of medical professionals who perform reconstructive surgery, free of charge,for children with facial deformities. This year, Operation S

发表于:2019-01-31 / 阅读(151) / 评论(0) 分类 VOA常速英语2007年(十二月)

By Al Pessin Pentagon 20 June 2007 A senior Afghan military officer in the southeastern part of the country says his forces are implementing the first Afghan-planned and executed operation to clear Taleban fighters from his area and establish governm

发表于:2019-01-31 / 阅读(168) / 评论(0) 分类 2007年VOA标准英语(六月)

By Sabina Castelfranco Rome 06 November 2007 An anti-terrorism operation ordered by Italian prosecutors has led to the arrests of 17 Algerians and Tunisians in Italy, Britain, France and Portugal. Sabina Castelfranco reports from Rome. Milan prosecut

发表于:2019-02-03 / 阅读(154) / 评论(0) 分类 VOA常速英语2007年(十一月)

By Al Pessin Pentagon 15 August 2007 The U.S. command in eastern Afghanistan is confirming that U.S. and Afghan forces are conducting an offensive against insurgents in the rugged Tora Bora region. VOA's Al Pessin reports from the Pentagon. A spokesw

发表于:2019-02-03 / 阅读(235) / 评论(0) 分类 2007年VOA标准英语(八月)

By Mona Ghuneim New York 09 November 2007 A new branch of Operation Hope opened its doors recently in New York's Harlem neighborhood. The Hope Center of Harlem focuses on connecting minorities with mainstream, private sector resources and empowering

发表于:2019-02-06 / 阅读(141) / 评论(0) 分类 VOA常速英语2007年(十一月)

WASHINGTON, March 25 (Xinhua) -- NASA's Stardust spacecraft(宇宙飞船) depleted fuel and ceased operation on Thursday after a 12-year run, the U.S. space agency said Friday. This is the end of the spacecraft's operations, but really just the begin

发表于:2019-02-07 / 阅读(132) / 评论(0) 分类 英语新闻

BEIJING, Feb. 19 (Xinhua) -- The People's Bank of China (PBOC) on Tuesday started a 28-day repurchase operation worth 30 billion yuan (4.8 billion U.S. dollars) for the first time since June, according to a statement on its website. A repurchase oper

发表于:2019-02-08 / 阅读(152) / 评论(0) 分类 英语新闻

BEIJING, Feb. 16 (Xinhua) -- The Penglai 19-3 oilfield, which experienced a severe oil leak in 2011, has been given official permission to resume operations, according to the State Oceanic Administration (SOA). The SOA said in a Saturday statement th

发表于:2019-02-08 / 阅读(153) / 评论(0) 分类 英语新闻

LONDON, July 5 (Xinhua) -- Britain's Metropolitan Police (MPS) arrested six people on terror charges in London on Thursday. The arrests, including five men and one woman, were made by officers from the MPS Counter Terrorism Command as part of a plann

发表于:2019-02-11 / 阅读(129) / 评论(0) 分类 英语新闻

President Barack Obama has met behind closed doors with some of the secret special operations forces who killed Osama bin Laden. The president Friday thanked the units who carried out the operation against the leader of the al-Qaida terror network. A

发表于:2019-02-18 / 阅读(131) / 评论(0) 分类 英语新闻

A new roll-on/roll-off ship delivered last month to China's southernmost city of Sansha has set off on its maiden voyage. The ship, the Sansha Number One, will increase cargo and passenger transportation capacity between the island groups in the Sout

发表于:2019-02-18 / 阅读(166) / 评论(0) 分类 cctv9英语新闻2015年

China's foreign ministry has expressed concern after a U.S. navy warship carried out a navigation operation near a disputed reef in the South China Sea. Spokesman Lu Kang says the warship illegally entered Chinese territorial waters, and that the mov

发表于:2019-02-26 / 阅读(139) / 评论(0) 分类 cctv9英语新闻2016年

ROME, Nov. 4 (Xinhua) -- Antonio Cassano underwent a heart surgery Friday morning to correct a congenital defect which was uncovered this week. The procedure, which took around 30 minutes to complete, is understood to have gone according to plan, the

发表于:2019-02-26 / 阅读(197) / 评论(0) 分类 英语新闻
学英语单词
accepted opinion
aetobatis narinari
Aristoteles
armored searobins
autoignition
automatic multiple address relay system
baselitz
better-equipped
bunch wire
Büdingen
capital asset requirement
channel impulse
clivimine
coiling-type polymer
commsets
completists
compoted
cornua ossis hyoidei
countersubjects
cylindrical drum hoist
daoy
deck base
Digital-S
dip vat
disaggregation-reaggregation
do wrong
dog grasses
ectomycorrhizal
enflower
engine cutout
epidermolysis bullosa dystrophic recessive
fabber
fixed-point value
fractional composition
gangas
glossies
graduating accuracy
hard seeds
hetamer
hexamethyldisilazane
high frequency (hf)
hoe colter drill
iannello
Imacillin
individual learning
interest capitalized
Ixonanthes
jan steens
Kīsh, Jazīreh-ye
lampasas
lamppost interview
licnen
liquid waste monitor tank
mandibular flap
maritime tort
match-winner
mazaticol
monosulfides
Morris's appendix
multichip hybrid circuit
nanandrous
neo-sulpyrine
neuschwansteins
North Atlantican
nuclear threshold
olibanum resin
on first-name terms
ospen
outside of
partitioned sequential file
physiophilosophy
qualityteams
quicksilvery
redlegs
reflector tracker
relativistic synchrotron instability
renewal probability model
reprived
Roger Eliot Fry
Sampang
short irradiated
shriber
size-grading
slowest ratio
solid solution alloy system
spiritality
stammered
stitch abscess
STMYCIN
stud fixed manhole cover
sulpholipid
take to pieces
teleprogramme
Tennant Creek
three wire system
tridimite (tridymite)
u.p.s
weighted mean error
Winkler bottle
writing pad
yatterings
zoogeographically