病毒抑制作用,病毒干扰作用

EXPLORATIONS -January 30, 2002: Population and the Environment By Cynthia Kirk VOICE ONE: This is Bob Doughty. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Tod

发表于:2018-12-07 / 阅读(525) / 评论(0) 分类 Explorations

Doctors, Nurses Continue to Provide Care at Damaged Sirte Hospital The destruction of Moammar Gadhafi's hometown, Sirte, during Libya's revolution included significant damage to the city's main hospital, where a small crew of intrepid doctors and nur

发表于:2018-12-08 / 阅读(431) / 评论(0) 分类 VOA标准英语2011年(十月)

By Paula Wolfson White House 30 April 2007 The latest United States-European Union summit has ended with signs of progress on several issues that have strained trans-Atlantic ties, including alternative energy and pushing ahead on world trade talks.

发表于:2018-12-16 / 阅读(543) / 评论(0) 分类 2007年VOA标准英语(四月)

Downtown Art Walk Provides New View of Los Angeles Central Los Angeles is undergoing a renaissance - at least one night every month. It is both a party - and an artistic pilgrimage. One evening each month, nearly 50 downtown galleries open their door

发表于:2018-12-16 / 阅读(459) / 评论(0) 分类 VOA标准英语2012年(七月)

AS IT IS 2013-06-13 City Gardens Provide Healthy Food Hello, again! Im Jim Tedder in Washington. Today we talk about food, sleep, getting older, and your health. We all know that fresh fruits and vegetables not only taste good, but they are also very

发表于:2019-01-12 / 阅读(458) / 评论(0) 分类 2013年VOA慢速英语(六)月

By Zulima Palacio Washington, D.C. 26 April 2007 At the base of the U.S. Capitol in Washington D.C., 41 teams of college students are competing in the National Sustainable Design Expo. Some of their environmentally friendly and sustainable projects c

发表于:2019-01-12 / 阅读(665) / 评论(0) 分类 2007年VOA标准英语(四月)

By Scott Stearns White House 29 March 2006 President Bush says the U.S. mission in Iraq is making progress despite continuing violence. Mr. Bush is explaining his strategy for success in Iraq at a tim

发表于:2019-01-13 / 阅读(458) / 评论(0) 分类 2006年VOA标准英语(三月)

College Makes Human Rights a Major Issue For years, Southern Methodist University Professor Rick Halperin pushed for a human rights degree program. The former chairman of Amnesty International USA taught his first human rights on campus 21 years ago,

发表于:2019-01-13 / 阅读(500) / 评论(0) 分类 VOA标准英语2012年(一月)

Attack on Pro-Gbagbo Protestors Draws Criticism from Ivorian Rights Group Dozens of supporters of former Ivory Coast President Laurent Gbagbo were attacked and injured during a rally Sunday in Abidjan, after opponents began throwing stones. Eric-Aim

发表于:2019-01-13 / 阅读(513) / 评论(0) 分类 VOA标准英语2012年(一月)

Yoga in the Nairobi Slums Provides Empowerment, Hope Africa Yoga Project Paige Elenson has been teaching yoga for 15 years. The former Wall Street consultant came to Kenya in 2007 to live and volunteer in the Nairobi slum of Kibera. She co-founded th

发表于:2019-01-13 / 阅读(569) / 评论(0) 分类 VOA标准英语2012年(五月)

'Test Tube Burger Provides Meatless Alternative Paying $330,000 for a hamburger might seem like a lot, but that's what it cost for scientists in the Netherlands to prove it's possible to make a meat-like pattie from a cluster of muscle cells. At the

发表于:2019-01-13 / 阅读(420) / 评论(0) 分类 VOA标准英语2012年(三月)

By Nico Colombant Dakar 15 January 2007 As residents of Liberia's war-torn capital Monrovia prepare to mark the first year of power for President Ellen Johnson-Sirleaf, the mood remains one of general praise and hope for Africa's first elected femal

发表于:2019-01-16 / 阅读(591) / 评论(0) 分类 2007年VOA标准英语(一月)

By Jeffrey Young Washington 12 June 2007 To most Americans, the governments in their towns and regional areas, called counties, are the governments they interact with the most. And alongside these local governments are groups of citizens who work on

发表于:2019-01-16 / 阅读(554) / 评论(0) 分类 2007年VOA标准英语(六月)

By Mil Arcega Washington, DC 06 September 2006 watch report Green Business Many companies are learning they can be both pro-business and pro-environment without hurting the bottom line. In fact, for some, it's been quite profitable. ----- Being envi

发表于:2019-01-16 / 阅读(551) / 评论(0) 分类 2006年VOA标准英语(九月)

Brazil's history has been expressed through its national passion for music. Samba, the country's dominant musical style, was used by politicians in the '30s in an attempt to create unity and a sense of national identity in this vast multi-racial stat

发表于:2019-01-22 / 阅读(480) / 评论(0) 分类 自然百科2012年

By William Eagle Washington 04 July 2007 In Africa, experts say the deaths of thousands of infants each year from low body temperature, or hypothermia, pneumonia and other illnesses that can strike a child within days of delivery. One way thats gaini

发表于:2019-01-30 / 阅读(545) / 评论(0) 分类 2007年VOA标准英语(七月)

By Brian Padden Paris 21 June 2007 The airline industry has long sought to develop new technology to offset the rising cost of fuel, but the industry also has looked to make flying more energy efficient. This year at the Paris Air Show many companies

发表于:2019-01-30 / 阅读(516) / 评论(0) 分类 2007年VOA标准英语(六月)

By Deborah Tate Capitol Hill 15 March 2006 The U.S. Congress has commissioned a bipartisan panel to provide an independent assessment of the situation in Iraq. The panel's leaders say their group will

发表于:2019-01-31 / 阅读(564) / 评论(0) 分类 2006年VOA标准英语(三月)

By Phuong Tran Dakar 05 April 2007 Watch Corner Kitchen report According to most poverty indicators, almost half the population of Sub-Saharan Africa is living on less than one dollar a day. One Senegalese food stand owner shows how far a dollar goe

发表于:2019-02-03 / 阅读(476) / 评论(0) 分类 2007年VOA标准英语(四月)

Data from the first flyby of the planet Mercury in January of 2008 by the spacecraft MESSENGER are reported in eleven papers this week in the journal Science. The findings reveal new details about the solar system's smallest planet 77 million kilome

发表于:2019-02-03 / 阅读(537) / 评论(0) 分类 VOA标准英语2008年(七月)
学英语单词
absolute humidity of gas
acrocarpous
ailing economy
air quenching cooler
alcedo atthis bengalensis
antimetabole
antiquity
apoliticisms
appenzell-innerrhoden
asura
automatic grapple fork
barbable
barman
be polished
bed scour by hyperconcentrated flow
Bilbster
bottom chord member
Capetian dynasty
center well
consequent to
construction program
crossload
diaphragm governor
discal type
Edraianthus
electric rocket engine
elutriated product
encolpion
equivalent parameters
Erythroxylon coca Lamarck
ethylvanillin
expanded metaphor
export indemnification
Festuca rubra
fluoxyprednisolone
genus Centunculus
government lotteries
hamades
heating surface evaporation rate
heavy-lifting
helion
henries
house-row
household income and expenditure
ice cream cone baking machine
incomplete routine
inertial time
inspection of will
isomorphic root system
joule/kelvin effect
jump dam
Just So Stories
Kalanchoe pinnata
libermen
lindinosite
logical operation instruction
Menyanthes
mercury base alloy
mesenchyme cells
mini-circular connector
mock preening
multi-architecture machine
multileaf
neocerambyx taiwanensis
neurostimulation
nomogram
nude sculpture
optometrical
orgnaizer
phippen
portal chamber
portion sth out
power device
qu'est
rack cutting
reconceal
ring fissure
Robert Clive
rusticatory
safety isolating valve
safety service
Sheerios
single-channel communication
Sokoto State
solute runoff
South Levantine Arabic
squamo-frontal suture
Staryy Merchyk
strong men
surveigh
temporary parole
the hunger games
tit-bit
trugging-house
unstable type gravimeter
urogenital ducts
Vaccinium uliginosum
video dial tone
watt apparent
windshield glass channel
wine-coloured