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By Carol Pearson Washington 28 February 2007 watch Antibiotic Resistance report Penicillin and Erythromycin are examples of antibiotics that used to be one-time miracle cures. These drugs and other antibiotics are now less effective because bacteria

发表于:2018-12-16 / 阅读(89) / 评论(0) 分类 2007年VOA标准英语(二月)

STEVE INSKEEP, HOST: This year Americans will spend more than $2 billion on probiotics, supplements aimed at boosting what are called good bacteria inside us. One part of the market that's growing rapidly is probiotics for babies and kids. Here's NPR

发表于:2018-12-17 / 阅读(65) / 评论(0) 分类 2018年NPR美国国家公共电台5月

Rainforests exist because it rains a lot and that makes the forests grow, right? Well, not so fast. What if its not the rain that makes the forestswhat if its the forests that actually generate the rain? Thats the contention of a paper in BioScience

发表于:2019-01-02 / 阅读(138) / 评论(0) 分类 60秒科学

Rainforests exist because it rains a lot and that makes forests grow, right? Well, not so fast. What if its not the rain that makes the forests? What if its the forests that actually generate the rain? That is the contention of a paper in BioScience

发表于:2019-01-08 / 阅读(97) / 评论(0) 分类 Scientific American(五)月

ROBERT SIEGEL, HOST: Now some good news, especially for babies around the world. Scientists in the U.S. and India have found an inexpensive treatment for a common infection. It could save hundreds of thousands of newborns each year. The treatment com

发表于:2019-01-16 / 阅读(98) / 评论(0) 分类 2017年NPR美国国家公共电台8月

RACHEL MARTIN, HOST: Go online, walk through any health store or supermarket, and you'll find all kinds of products being sold as probiotics. They're being promoted for all kinds of things - preventing upset stomachs, boosting the immune system, figh

发表于:2019-01-16 / 阅读(70) / 评论(0) 分类 2017年NPR美国国家公共电台12月

'Tough Guy' Farmers Stand Up To Italian Mafia And Win play pause stop mute unmute max volume 00:0004:59repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin. SC

发表于:2019-01-16 / 阅读(88) / 评论(0) 分类 2016年NPR美国国家公共电台9月

Europe Mafias on the move 欧洲 黑手党正在扩张 Northward creep 罪恶之手伸向北方 In Italy Mafia-organised crime is no longer only a southern phenomenon意大利黑手党犯罪不再局限于南部地区 TERRACINA is a sprawling town so

发表于:2019-01-27 / 阅读(83) / 评论(0) 分类 经济学人财经系列

摇滚:Allison Iraheta - Don't Waste the Pretty 相关介绍:首单Friday Ill Be Over U足以让人震撼于今年美偶新锐女将的风采.JIVE唱片公司的CEO兼主席Barry Weiss在接受采访时说:她强有力的嗓音,积极进取的态度

发表于:2019-02-01 / 阅读(73) / 评论(0) 分类 英文摇滚歌曲

By Sabina Castelfranco Rome 19 February 2008 Italian police have arrested the leader of the Calabrian mafia, which has parlayed drug trafficking to become more powerful than the more famous Sicilian mob. Clan feuds of the powerful 'Ndrangheta organiz

发表于:2019-02-03 / 阅读(99) / 评论(0) 分类 VOA常速英语2008年(二月)

摇滚:Allison Iraheta - Holiday 相关介绍:首单Friday Ill Be Over U足以让人震撼于今年美偶新锐女将的风采.JIVE唱片公司的CEO兼主席Barry Weiss在接受采访时说:她强有力的嗓音,积极进取的态度,崭露出来的

发表于:2019-02-03 / 阅读(66) / 评论(0) 分类 英文摇滚歌曲

Probiotic yoghurt drinks and supplements dont live up to their promises, according to an EU watchdog. They claim to boost your immune system and help digestion. It concluded there is no scientific proof that products such as Yakult have any health be

发表于:2019-02-04 / 阅读(65) / 评论(0) 分类 阅读空间

摇滚:Allison Iraheta - Just Like You 相关介绍:首单Friday Ill Be Over U足以让人震撼于今年美偶新锐女将的风采.JIVE唱片公司的CEO兼主席Barry Weiss在接受采访时说:她强有力的嗓音,积极进取的态度,崭露出

发表于:2019-02-08 / 阅读(67) / 评论(0) 分类 英文摇滚歌曲

摇滚:Allison Iraheta - No One Else 相关介绍:首单Friday Ill Be Over U足以让人震撼于今年美偶新锐女将的风采.JIVE唱片公司的CEO兼主席Barry Weiss在接受采访时说:她强有力的嗓音,积极进取的态度,崭露出来

发表于:2019-02-18 / 阅读(81) / 评论(0) 分类 英文摇滚歌曲

摇滚:Allison Iraheta - Pieces 相关介绍:首单Friday Ill Be Over U足以让人震撼于今年美偶新锐女将的风采.JIVE唱片公司的CEO兼主席Barry Weiss在接受采访时说:她强有力的嗓音,积极进取的态度,崭露出来的明

发表于:2019-02-18 / 阅读(78) / 评论(0) 分类 英文摇滚歌曲

摇滚:Allison Iraheta - Friday I'll Be Over 相关介绍:首单Friday Ill Be Over U足以让人震撼于今年美偶新锐女将的风采.JIVE唱片公司的CEO兼主席Barry Weiss在接受采访时说:她强有力的嗓音,积极进取的态度,崭

发表于:2019-02-25 / 阅读(79) / 评论(0) 分类 英文摇滚歌曲

摇滚:Allison Iraheta - D Is for Dangerous 相关介绍:首单Friday Ill Be Over U足以让人震撼于今年美偶新锐女将的风采.JIVE唱片公司的CEO兼主席Barry Weiss在接受采访时说:她强有力的嗓音,积极进取的态度,崭露

发表于:2019-02-25 / 阅读(105) / 评论(0) 分类 英文摇滚歌曲

摇滚:Allison Iraheta - Trouble Is 相关介绍:首单Friday Ill Be Over U足以让人震撼于今年美偶新锐女将的风采.JIVE唱片公司的CEO兼主席Barry Weiss在接受采访时说:她强有力的嗓音,积极进取的态度,崭露出来

发表于:2019-02-25 / 阅读(94) / 评论(0) 分类 英文摇滚歌曲
学英语单词
abastardizes
aerial hyphae
ambylan
annual amortization factor
AT-4140
autoaccelerations
cast steel valve
Centrolobium
choosing
Clarkson, Mt.
core plan
corrugated iron pipe
cotillard
crash simulation
de-program
democratic rights
dome(dom)
Dynamics CRM
economic construction
enclosed type switchboard
euhalobic species
excretory organ
fast feed
feats
feeble field
feeder voltage regulator
free garbage collection
general affairs office
habituative
heat insulating mattress
hepple
hierarchical model following controller
high tide line
high turnover
hypnotic imagery
infiltration anesthesia
isolation field
Jouhaux
karst hydrodynamic unit
kilo-kelvin
Kirkhope
kixxes
Laprida
lay sociology
lead computing optical sight system
limit design
liquid chlorine metering tank
male die
matched pair experiments
micaceous sandstone
miller-tydings act
national economic development
ninety-day
noncorresponding parameters
nondecreasing random function
notropis
obesely
oborne
oiled wool
optical branch
Park Lane
parnabies
peridental branches
philologize
poore
prandium
primary hardwoods
promotional games
propertyless
ranitidine
rhyzopertha dominica
roll molding
runnelled
sawces
semiconductor radiation sensitive element
semiepiphytes
Shelby Silverstein
shielding factor of cable
slow varying parameter
smokecurtain
Smyadovo
source data item
Stachybotrys
stagger-tuned amplifier
stratum for study randomization
sub value
super plane
sweethread
telegraph alphabet
thallium(i) thiocyanate
thermal wave imagine technique
three-missile-to-a-site complex
Toksovo
torque differential transmitter
transverse shape
unguentarian
unirradiated gap
vapor concentration
W.German
well-constituted
workstage
yellow looks