四霉素

Millions More Children to Receive Vaccines More than one million children die each year from severe diarrhea and pneumococcal disease. Today (Tuesday), the GAVI Alliance announced an expanded campaign against the two leading killers of children world

发表于:2018-12-16 / 阅读(218) / 评论(0) 分类 VOA标准英语2011年(九月)

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(225) / 评论(0) 分类 Scientific American(一)月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-30 / 阅读(250) / 评论(0) 分类 单词解析速记

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(216) / 评论(0) 分类 医务英语

US Scientists Expand Scope of HIV Vaccine Study The worlds largest ongoing HIV vaccine study has been expanded to consider multiple ways a vaccine might boost immune response to the AIDS virus. The U.S. Institute of Allergy and Infectious Diseases (N

发表于:2019-01-14 / 阅读(206) / 评论(0) 分类 VOA标准英语2011年(八月)

Broadcast on Coast to Coast: November 7, 2002 Rebroadcast on VOA News Now: November 10, 2002 AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER -- slang and idioms in American politics. RS: Tuesday was Election Day, and Slangman Da

发表于:2019-01-25 / 阅读(275) / 评论(0) 分类 词汇大师(Wordmaster)

By Jessica Berman Washington 11 May 2006 French researchers at the Sanofi Pasteur Institute say they have developed a bird flu vaccine that, so far, appears to be safe and effective in humans. But obs

发表于:2019-02-04 / 阅读(266) / 评论(0) 分类 2006年VOA标准英语(五月)

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(242) / 评论(0) 分类 万物简史
学英语单词
administrative fee
Alan Lloyd Hodgkin
Amlwch
aurhorized issue
birimose
bloody pleural fluid
boca chica (north chan.)
break test
celebrate the day
chemostratigraphy
Chiazzi's operation
coalings
collapse of jugular vein
combined read/write head
comparison and analogy method
constant damping
continuous cloud
core mode
default recovery contribution
device power supply
Divide-Tab
effervescenced steel
ELND
engine survey
exaflop
fibrous crystallization
firing base
fuss and feathers
gaseous nebulas
Gideon, Mt.
golborne
gross auto product
Habenaria glaucifolia
heat-sensitive dipping process
heimat
Hemsleyadine
hypotoxicity
Il'men'
inductive divider
inkeles
instruction main line
ion-filtration chromatography
isophotal
Kakwa R.
leather cement
lindoite
liquor cresolis saponatus
local-section
loosely-suppressible character frame
low pitches
magnetic quantities
main pots
marco-crystalline
market rate of discount
maytansinol
Melinninae
memory capacitor
merry-andrew
metanephros (pl.metanephroi)
meteoric rise
non tapered key
nonghetto
nonthermal
normative need
off the payroll
ohmic heating carrier
on line size analyzer
operation of passenger transportation
optimal moisture for carbonation
oryza brachyantha
oxygen difluoride
p s n curve
panel saw
penetration needling
Phialemonium
Pienaarsrivier
pipelined array processor
Piru(Piroe)
pneumatogenic minerals
pulse sampling oscilloscope
pumpback reflux
ratchet tool
rectangular grid
respiratory muscle
ribonucleoprotein particle
rusticss
sales charge
shipbuilding and trading department
single action compression
stolon
structure of coal
superbattery
surquidy
Sylow subgroup
symbolic key
transverse rail
wayboards
wild animal trainer
wolensky
writer's writer
Yafo
zip fastener