血清中和试验交叉反应

Photo: NASA US forces in Iraq speak with 2 NASA astronauts aboard the ISS in a video downlink aired on NASA TV about life on the station, their military careers and what it is like to live in space for up to 6 months, 29 Dec 2009 When many Americans

发表于:2018-12-08 / 阅读(189) / 评论(0) 分类 VOA标准英语2009年(十二月)

发表于:2018-12-30 / 阅读(134) / 评论(0) 分类 自考英语(一)78讲

SCIENCE IN THE NEWS - International Treaty on Tobacco Control / Research Projects on Glaucoma By Broadcast: Tuesday, March 08, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special Englis

发表于:2019-01-02 / 阅读(141) / 评论(0) 分类 科技之光

Robert Neuwirth,《影子城市》(Shadow Cities)的作者,在这个演讲里带领大家寻找世界上的寮屋据点--现在十亿人正住在这样的家园上。Robert发现,这些贫民窟正在当地人的努力下,被建设成为年轻而

发表于:2019-01-05 / 阅读(157) / 评论(0) 分类 TED公开课:贫穷至进步

Broadcast: Jan 18 2003 81-year-old Sidney Rittenberg decided as a young man he wanted to help build bridges between cultures. He's devoted much of his career to promoting business ties between China a

发表于:2019-01-07 / 阅读(201) / 评论(0) 分类 VOA2003(上)-文艺之窗

BUENOS AIRES, July 16 (Xinhua) -- Argentinean tennis star Juan Martin Del Potro, ranked 9th worldwide, said bringing home a medal from the London 2012 Olympic Games would be akin to scoring a Grand Slam win. In an interview with local daily Clarin Mo

发表于:2019-01-09 / 阅读(170) / 评论(0) 分类 英语新闻

Under Pressure, Tronc Recognizes 'Chicago Tribune' Union RACHEL MARTIN, HOST: The Chicago Tribune has taken a big step closer to unionizing for the first time in the paper's 170-year history. The Tribune's owner Tronc has agreed to negotiate with a u

发表于:2019-01-16 / 阅读(110) / 评论(0) 分类 2018年NPR美国国家公共电台5月

今天我们要学的词是crowd pleaser。 A crowd pleaser, 指深受欢迎的人或事。 The movie is a crowd pleaser, 大家都爱看这部电影。 His performance was a crowd pleaser, 他的表演得到一致好评。大熊猫泰山在美国的时

发表于:2019-01-20 / 阅读(132) / 评论(0) 分类 英语每日一词

Diet and the Brain A study in the Proceedings of the National Academy of Sciences finds that brain chemicals linked to addiction are in play with a high-sugar diet, and a study in the Archives of Internal Medicine shows that a high-carb diet had last

发表于:2019-01-30 / 阅读(251) / 评论(0) 分类 60秒科学

By Steve Herman New Delhi 20 December 2007 Espresso drinkers are losing what critics praise as one of the world's best certified organic robusta coffees. The government of Kerala state has refused to extend the lease on the land where the rare beans

发表于:2019-01-31 / 阅读(149) / 评论(0) 分类 VOA常速英语2007年(十二月)

Rabble-rouser的意思是“煽动者、煽动政治家(尤指利用情绪或偏见煽动民众,以期获得领导地位及达到私人目的的人)”。你知道这个词的来历吗? 19世纪中

发表于:2019-02-01 / 阅读(147) / 评论(0) 分类 英文语法词汇

JOHANNESBURG, May 30 (Xinhua) -- Ajax Cape Town's Thulani Serero won the player of the year award at the South African Premiership awards at Gold Reef City on Sunday. The 21-year-old striker's awards included Footballer of the Year Award, the Premier

发表于:2019-02-01 / 阅读(188) / 评论(0) 分类 英语新闻

By Lisa Schlein N'Djamena, Chad 07 September 2007 Before meeting Chadian President Idriss Deby, U.N. Secretary-General Ban Ki-moon told journalists he would discuss a proposal to deploy thousands of European Union troops and U.N. police officers to h

发表于:2019-02-04 / 阅读(208) / 评论(0) 分类 2007年VOA标准英语(九月)

THE HAGUE, Feb. 19 (Xinhua) -- Roger Federer grabbed his second title at the ABN AMRO World Tennis Tournament in Rotterdam after beating Juan Martin Del Potro 6-1, 6-4 in the final on Sunday in Rotterdam. The match was a replay of the 2009 US Open fi

发表于:2019-02-05 / 阅读(142) / 评论(0) 分类 英语新闻

今天我们要学的词是crowd pleaser。 A crowd pleaser, 指深受欢迎的人或事。 The movie is a crowd pleaser, 大家都爱看这部电影。 His performance was a crowd pleaser, 他的表演得到一致好评。大熊猫泰山在美国的时

发表于:2019-02-05 / 阅读(157) / 评论(0) 分类 英语单词荟萃

艺术史绝非一成不变。工程师Engineer Maurizio Seracini耗费30年的精力探寻达芬奇失传壁画安吉亚里战役。在探索过程中,尘封在历史中的大量作品昭然于世。这些画中秘密的探寻是否也可以成为一

发表于:2019-02-05 / 阅读(129) / 评论(0) 分类 TED公开课:艺术与幻觉

By Bill Gasperini Moscow 09 April 2006 Russia's state-controlled gas monopoly, Gazprom, says it plans to triple the price that neighboring Belarus must pay for its gas. Gazprom has already raised the

发表于:2019-02-07 / 阅读(191) / 评论(0) 分类 2006年VOA标准英语(四月)

Marie Serneholt - The Boy I Used To Know Album: Enjoy The Ride We used to be so close Not one of those Shallow relationships That comes and goes We were the best Not like the rest All my girlfriends used to tell me I was blessed So tell me what happe

发表于:2019-02-07 / 阅读(146) / 评论(0) 分类 好听的英文歌曲

THE HAGUE, Feb. 16 (Xinhua) -- Juan Martin Del Potro and Julien Benneteau qualified for the final of the ABN AMRO World Tennis Tournament on Saturday. Second seeded Del Potro beat Bulgarian Grigor Dimitrov 6-4, 6-4. The Argentinean did not suffer a s

发表于:2019-02-08 / 阅读(162) / 评论(0) 分类 英语新闻

Lana Del Rey 微电影《Tropico》!电影艺术赋予了这个倾倒众生的女人一个展示灵魂的机会,这是你无法在平时见到的美丽躯体,意味深长的镜头切换唤醒了我们对于神秘之美的好奇,玄妙的音乐如

发表于:2019-02-17 / 阅读(125) / 评论(0) 分类 流行英文歌曲
学英语单词
a great variety of
Acanthocalycium
add dictionary
aircooled diesel engine
American sweetgum
Anaphalis nepalensis
anteports
anti-offset sprayer
aponeurotome
ash ultramarine
assubjugating
benefit year
blue atrophy
boot-shaped heart
break square
butyric
Cascara-sagrada
case of abandonment
catenary construction
chunked
communicating state
continuous band multiplexer
Crazy Horse
cycle-hexanone peroxide
deann
deflexol
Delphinium korshinskyanum
dennstaedtia scandens
Dichrocephala bodinieri
duplicate control
dysgnosia
easy shoot-rearing apparatus(mulberry)
echelon telegraphy
electronic liquid density instrument
electronic photovoltaic cell
enfranchises
environmental conditions at time of maturity
Fermi beta theory
flush sb out
fluted wheel drill
food abundant localities
frontal stripe
gas discharge
give a hoot
gnarly grain
Golfe du Lion
gross sb out
have no nerves
heat-tolerant
intelligent knowledge-based system
interphase precipitation
Isonidae
koldeway
lamajuns
liquid hardening
lymphogranufoma
mackaw
man of blood
mega-erg
mineral deposit geochemistry of thermal liquid
minidocumentary
mobile operators
mobile-messaging
mooring stall
newsum
Ni-resist cast iron
open-tube
party-liner
pecten gardineri
phrenic avulsion
postcephalic
postchronous migration
purpura papillosa
quasi-everywhere
radiacmete
rasovyi
relegitimize
retroplasia
rill deoxyribonucleic acid
run-of-station
sagalayev
sationary periodically
semeiologically
sequential reclosing
spot arbitrage
stirometry
stomatograph
swash mark
switching cycle
Symplocos euryoides
Tallapoosa R.
telbent
Titano-spinel
torp
Triphysaria chinensis
under-water concrete mix
unembarrassed
ustulate
vehicle barge
Vermes
villus
wideband subscriber terminal