[=tetramethylethylenediamine]四甲基乙二胺

EXPLORATIONS - In an Age of Modern Science and Medicine, Infectious Diseases Remain the World's Leading Killer By Jill Moss Broadcast: Wednesday, September 21, 2005 (MUSIC) VOICE ONE: I'm Faith Lapidu

发表于:2018-12-01 / 阅读(338) / 评论(0) 分类 Explorations

Listen carefully to the conversations and short passages [00:07.99]and choose the best answer to each of the questions. [00:13.56]1.M: The main library is open from eight A. M. Until nine P.M. [00:20.51]Monday through Friday; noon until six P.M. Satu

发表于:2018-12-01 / 阅读(211) / 评论(0) 分类 大学六级听力模拟题

3 Listen carefully to the conversations and short passages [00:07.99]and choose the best answer to each of the questions. [00:13.56]1.M:She wants to apply for the job, [00:19.41]but she is really not qualified,I'm afraid. [00:24.24]W:That's a pity.Sh

发表于:2018-12-01 / 阅读(211) / 评论(0) 分类 大学六级听力模拟题

Medany Aims to be 1st Egyptian Woman to Medal at Olympics As Egypt struggles to get back on its feet after 16 rocky months of revolution and military rule, the country's young Olympians are hoping to do the seemingly impossible under the circumstance

发表于:2018-12-16 / 阅读(84) / 评论(0) 分类 VOA标准英语2012年(七月)

Love soft as an easy chair love fresh as the morning air one love that is shared by two i have found with you like a rose under the april snow i was always certain love would grow love ageless and evergreen seldom seen by two you and i will make eac

发表于:2019-01-03 / 阅读(111) / 评论(0) 分类 珍藏经典老歌

By Luis Ramirez Hanoi 17 November 2006 Vietnam is preparing to host the summit of leaders of 21 economies of the Asia-Pacific region on Saturday. The meeting will culminate on Sunday with a pledge by leaders to push harder for a deal to liberalize g

发表于:2019-01-07 / 阅读(147) / 评论(0) 分类 2006年VOA标准英语(十一月)

By Lisa Schlein Geneva 26 May 2006 Sudanese refugee children sit in their makeshift classroom, Wednesday, April 19, 2006 in the refugee camp Kou Kou Angarana in Chad some 30 kilometers from the Sudan border The U.N. refugee agency says it is very di

发表于:2019-01-09 / 阅读(128) / 评论(0) 分类 2006年VOA标准英语(五月)

By Anya Ardayeva Moscow 28 February 2008 Russians are preparing to go to the polls Sunday to elect their next president. But out of four candidates competing for the post, Kremlin-backed Deputy Prime Minister Dmitry Medvedev is the overwhelming favor

发表于:2019-01-11 / 阅读(85) / 评论(0) 分类 VOA常速英语2008年(二月)

Mini Med School Draws the Curious Becoming a doctor takes many years of training and tens of thousands of dollars in tuition. But anyone can get a taste of medical training, from real medical school professors, in just two months, for free, at a mini

发表于:2019-01-14 / 阅读(111) / 评论(0) 分类 VOA标准英语2011年(十月)

Summer wildfires continue to rage across forests on the Mediterranean islands of Corsica and Sardinia. Spain and Greece are also dealing with blazes. Italian and French authorities have detained a number of people suspected of starting the forest fi

发表于:2019-01-14 / 阅读(108) / 评论(0) 分类 VOA标准英语2009年(七月)

喝茶在中国由来已久,而且有着深厚的历史文化,这不,本杰明讲得津津有味,从茶馆生活讲到茶馆艺术,这下罗拉可有的学了。 Listen Read Learn Laura: It's quite busy here. It's true that Chinese people love tea. Benjamin: That's for sure. You know that tea is

发表于:2019-01-21 / 阅读(133) / 评论(0) 分类 英语口语大赢家

Darwin in Battle of Wits against Unarmed Man Antievolutionist Ray Comfort will be distributing copies of the Origin of Species with a new introduction that misrepresents, misunderstands and distorts Darwin's ideas and legacy. Steve Mirsky comments No

发表于:2019-01-30 / 阅读(156) / 评论(0) 分类 60秒科学

Darwin in Battle of Wits against Unarmed Man Antievolutionist Ray Comfort will be distributing copies of the Origin of Species with a new introduction that misrepresents, misunderstands and distorts Darwin's ideas and legacy. Steve Mirsky comments No

发表于:2019-01-30 / 阅读(196) / 评论(0) 分类 60秒科学

This is the VOA Special English Health Report. For medical students, real experience begins not in a classroom but at a teaching hospital. These doctors in training are supervised. But sometimes accidents happen and the students get injured. For exam

发表于:2019-01-31 / 阅读(123) / 评论(0) 分类 2010年慢速英语(二)月

By Peter Fedynsky Washington, D.C. 06 December 2006 watch Bipartisan report The bipartisan Iraq Study Group has issued its long-awaited series of strategic recommendations on ways to stabilize the situation in Iraq. As VOA's Peter Fedynsky reports,

发表于:2019-01-31 / 阅读(154) / 评论(0) 分类 2006年VOA标准英语(十二月)

WASHINGTON, June 25 (Xinhua) -- Ryan Lochte edged Michael Phelps in the men's 400m individual medley at the US Olympic swimming trials Monday. Lochte took the lead on the breaststroke leg of the four-stroke event and held off Phelps in the closing fr

发表于:2019-02-06 / 阅读(126) / 评论(0) 分类 英语新闻

By Scott Bobb Johannesburg 19 October 2007 South African Reggae star Lucky Dube has been killed in an apparent car-jacking attempt. The 43-year-old musician was shot Thursday night in a suburb south of Johannesburg. Correspondent Scott Bobb reports f

发表于:2019-02-07 / 阅读(112) / 评论(0) 分类 2007年VOA常速英语(十月)

By Nico Colombant Dakar 10 June 2008 Senegalese President Abdoulaye Wade met with envoys from the Islamist group Hamas and the more secular Palestinian movement Fatah in an attempt to lay the groundwork for eventual peace with Israel. But at least o

发表于:2019-02-07 / 阅读(90) / 评论(0) 分类 VOA标准英语2008年(六月)

Private funeral held for Fawcett 福塞特的私人葬礼 A private funeral has been held for US actress Farrah Fawcett, who died last week of cancer. Her partner, actor Ryan O'Neal, was a pallbearer (抬棺者) Their son Redmond, who was recently jailed on

发表于:2019-02-08 / 阅读(148) / 评论(0) 分类 英语新闻

U.S. President Barack Obama has arrived in Moscow for talks with Russian leaders, expected to focus largely on arms control. President Barack Obama (R), his daughters Malia (2R), and Sasha and his wife Michelle Obama are seen on their arrival at Mos

发表于:2019-02-12 / 阅读(100) / 评论(0) 分类 VOA标准英语2009年(七月)
学英语单词
Advanced Technology Bomber
agamae
Albertinum
almandin
Antony Tudor
anxiety
as previously seen
atomisings
average cost replace transaction
Bambesi
Bedsonia pneumoniae felinae
Beth-gamul
Borodayevka
bulk trade
Cansilan Pt.
cedronella
centerline rudder
cephalism
chenopodium formosanum
colombians
colpocysto-ureterotomy
complex atomic spectrum
constellize
conveyer line
Coulomb's constant
crawlspace
cruciformly
cumbrous
deaggregating
density of gas phase
describing function technique
Didynamia
diesel-electric transmission
doubleted
familial progressive myoclonic epilepsy
five roller mill
force ventilated
gentlemen's room
glass towel
gray level resolution
heave ho
incorporificated
inspection hole for exhaust gas pressure
intelligent remote sensor
interior decorations
intestinal croup
intramedullary hemorrhage
Japanese aralia
Kopanovka
landing process
leguminous creeping cover
lespedeza striatas
local command area
loud-speaker system
makunda
meless meless
minimum fluidization velocity
moisture free basis
motor vehicle equipment
multi national currency realignment
nail-down
necroplankton
neoatheist
Neohygrophorus angelesianus
Neolitsea pinninervis
net income before tax
nonappointed
On-the-Run Issue
overlubricate
Pertya henanensis
phenylalanine hydroxylase deficiency
pit in
placoid
precast concrete relay house
protoeukaryote
Puigcerda
queu(e)ing model
remote echo
reverse and reduction gear
road-paving
Sambucus L.
sea floor fueling station
secler
selfosses
settled down
sexual union
shell core machine
sixteenth notes
Strobilanthes truncata
submarine cable repeater
sulfur alcohol
summary record
take the angle
true squash
trunking switchboard
ultraviolet photoelectron spectrometer
universal platform
verlukast
viscosity balance
wage rate
wound-ups
yarn-dyed silk satin