[医] 溃疡棒状杆菌

A: What am I supposed to do with this plastic cup? B: That cup is for a urine sample. A: How, exactly, does this work? B: This particular test calls for you to urinate into the cup after you have urinated a little into the toilet. A: When I finish, w

发表于:2018-12-02 / 阅读(154) / 评论(0) 分类 英语情景对话-健康

This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 White rice is the world's most popular form of rice. But it goes through a milling process that removes many nutrients. As a result, people who eat a

发表于:2018-12-16 / 阅读(142) / 评论(0) 分类 2011年VOA慢速英语(三)月

Wouldnt it be great if we could trade genes with other species? For example, suppose you could trade the family cat your genes for intelligence for its genes for physical coordination! Well, okay, thats not likely to happen anytime soon. But DNA trad

发表于:2018-12-31 / 阅读(122) / 评论(0) 分类 英语听力文摘 English Digest

Traditional Sushi Eaters Have Specialized Gut Bacteria If you want to shell a walnut, it helps to have a nutcracker. And if you want to digest seaweed, it helps to have the right enzymes. Now, a study in the journal Nature shows that Japanese peopleb

发表于:2019-01-02 / 阅读(163) / 评论(0) 分类 60秒科学

We are living on a planet with a lot of activities, with reference to our living environment,done by faith and guess alone. 我们对于这个地球上所发生的许多现象,都只是通过信念或猜测来认知。 Our lives depend upon these cre

发表于:2019-01-03 / 阅读(110) / 评论(0) 分类 TED演讲科学篇

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This'll just take a minute. If you want to shell a walnut, it helps to have a nutcracker. And if you want to digest seaweed, it helps to have the right enzymes. Now, a study in the jo

发表于:2019-01-08 / 阅读(159) / 评论(0) 分类 Scientific American(四)月

New Dysentery Threat Emerges Its known that clean water and sanitation can bring a sharp decline in dysentery cases in developing countries. But its not enough to stop the spread of the disease in countries undergoing rapid development and industrial

发表于:2019-01-08 / 阅读(121) / 评论(0) 分类 VOA标准英语2012年(八月)

By Melinda Smith Washington 10 July 2007 A recent study in the Journal of the American Medical Association shows that older people who carry certain genes are more susceptible to a loss of their central vision. That loss of sight is an advanced form

发表于:2019-01-09 / 阅读(208) / 评论(0) 分类 2007年VOA标准英语(七月)

By Cindy Saine Washington, DC 05 July 2006 watch report Bush Troops President Bush spent part of his Independence Day holiday delivering a speech to U.S. troops at Fort Bragg, North Carolina. He thanked them for their courage, and said terrorists ar

发表于:2019-01-11 / 阅读(183) / 评论(0) 分类 2006年VOA标准英语(七月)

BOB DOUGHTY: This is SCIENCE IN THE NEWS, a program in VOA Special English. Im Bob Doughty. SHIRLEY GRIFFITH: And Im Shirley Griffith. Today we tell about the development of what scientists are calling a synthetic cell a cell produced by people inste

发表于:2019-01-11 / 阅读(114) / 评论(0) 分类 2010年VOA慢速英语(七)月

Salmonella Turned Into Cancer Killing Super Bug 沙门氏菌已转化为杀死癌细胞的超级战士 From VOA Learning English, this is the Health and Lifestyle Report. Not many people consider a bacterium that makes millions of people sick a frien

发表于:2019-01-12 / 阅读(130) / 评论(0) 分类 2015年VOA慢速英语(五)月

By Carol Pearson Washington, DC 20 February 2007 watch Autism report Scientists working to solve the mysteries of autism say their research points to genetic causes. The results come from the largest study ever done on the disorder. The study looked

发表于:2019-01-12 / 阅读(177) / 评论(0) 分类 2007年VOA标准英语(二月)

Research Group Has High Hopes for New TB Vaccine Physicians have long known that the so-called BCG vaccine for tuberculosis does not provide the same level of protection against the disease in all parts of the world. Some also say the vaccine's effec

发表于:2019-01-13 / 阅读(141) / 评论(0) 分类 VOA标准英语2011年(九月)

The drug Taxol is a powerful weapon in the fight against cancer, but it's very expensive and complicated to manufacture. Now, scientists at Tufts University and the Massachusetts Institute of Technology (MIT) say they've taken the first steps to make

发表于:2019-01-14 / 阅读(141) / 评论(0) 分类 VOA标准英语2010年(十)月

New Treatment Potential Found in Popular TB Drug Scientists say new insights into a common tuberculosis drug will make it possible to shorten the treatment period for patients infected with TB. The drug pyrazinamide is widely used in combination with

发表于:2019-01-14 / 阅读(171) / 评论(0) 分类 VOA标准英语2011年(八月)

Scientists Race to Contain Malaria: New Discoveries, More Resistance Artemisinin has helped cut global malaria deaths by more than 25 percent over the past decade. But now, in parts of Southeast Asia, this drug no longer works. And the World Health O

发表于:2019-01-14 / 阅读(114) / 评论(0) 分类 VOA标准英语2013年(五月)

By Jessica Berman Washington 04 October 2006 New research suggests that infectious diseases may run in families. Investigators say the discovery represents a major shift in the way scientists view human disease. Experts have always accepted that cer

发表于:2019-02-04 / 阅读(162) / 评论(0) 分类 2006年VOA标准英语(十月)

US scientists have stripped life back to its bare essentials creating a synthetic microbe with the absolute minimum genetic information needed to grow and reproduce. 美国科学家将生命的多余部分剔除,只留下最基本的要素,由此创

发表于:2019-02-05 / 阅读(133) / 评论(0) 分类 英语新闻

It's perhaps the most controversial pick in the history of a respected award. Three pioneers in the science of genetically modified crops are receiving this year's prestigious World Food Prize, Thursday, Oct. 17 in Iowa. According to the prize citati

发表于:2019-02-06 / 阅读(177) / 评论(0) 分类 英语新闻

In the early days, this was an exceedingly painstaking process. 早年,这是个极费力气的过程。 Work on a single bacterium could easily consume a year. 研究一个细菌就可能一下子花掉一年时间。 At that time, according to Wo

发表于:2019-02-17 / 阅读(107) / 评论(0) 分类 万物简史
学英语单词
astochastic
audit programmes
axial strain
be part of
breine
bucket lift truck
Buckfastleigh
Caprifoliaceae
carboloy dioxide recorder
centaur
chin-wagging
coadventurer
complementary field-effect-transistor pair
connected vertex set
contrasuggestible
dead code
desmodium tortuosums
DHF/DSS
dickey-fuller test
dissipation of difference scheme
dorners
down-downs
downsample
dwelling conditions
eight-lane
embelif
Ena
extension bellows factor
family Lactobacteriaceae
Feguanide
fine laundering
forb meadow
former soviet union
four-lined plant bugs
geophilosopher
Gilbert
give someone a ring
go-home
ground-launcheds
gun burner
heptarch
heterojunction bipolar
hexavibex
Holtz machine
Imetlan
incipient motion
industrial biotechnology
jay walk
knuckled down
laborsheds
leased network service
least informative distribution
link control software
London Bridge
Lubims
majority decision
mancipable
manual airlock
manure loader
map of dumping site
maximum efficient rate of production
medicated oil
metham sodium
mostness
N,N-diethyl-p-phenylenediamine
navigable internal waterways in use
nn. digitales volares communes
occidentotropism
oedemium minus
olympic game
once through cracking
optical-path difference
ORBIT (on-line,real-time branch information transmission)
orographic snow line
palca
panden
pero-
phellogens
phenix
power transformer
predicative adverbial
quartzsandstone
quick assembly optical encoder
radiation preservation of food
range-bearing display
rearmost axle
rhums
rigging it
ROAH
romanshorns
romare
samandatrin
selling-off
sink into vice
talkshows
tandem airscrew
theoretical seismogram
triple-tongue
trying cut plating iron
unfurrows
vowelist
w-r