[医] 产气乳杆菌, 产气气杆菌

Bacterium Targets Untreated HIV-Positive People Researchers are warning of an emerging form of intestinal disease in sub-Saharan Africa. Its targeting mostly HIV-infected people, who are not on treatment. The disease kills up to 45 percent of those i

发表于:2018-12-08 / 阅读(139) / 评论(0) 分类 VOA标准英语2012年(九月)

Tisket,A-Tasket(丢手绢) 英文歌词: A Tisket, A Tasket A-tisket, a-tasket, A green and yellow basket. I wrote a letter to my love, And on the way I dropped it. I dropped it, I dropped it, And, on the way I dropped it. A little boy picked it up

发表于:2018-12-13 / 阅读(163) / 评论(0) 分类 优美儿童英语歌曲

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(153) / 评论(0) 分类 2011年VOA慢速英语(三)月

In April of 2005, Jacques Chirac and the German Chancellor at the time, Gerhard Schrder, announced plans to spend over a billion euros on a joint French-German search engine to compete with the American company Google. The project would be called Qu

发表于:2018-12-30 / 阅读(148) / 评论(0) 分类 初级商务英语听力2007

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(144) / 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(175) / 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(131) / 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(174) / 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(132) / 评论(0) 分类 VOA标准英语2012年(八月)

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(137) / 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(144) / 评论(0) 分类 2015年VOA慢速英语(五)月

Victor Otazu, a aeroponic specialist with the International Potato Center, tends to some aeroponic potato plants in Nairobi, Kenya Kenyans love to eat maize. It's the country's favorite food. But researchers at the Kenya Agricultural Research Institu

发表于:2019-01-13 / 阅读(180) / 评论(0) 分类 VOA标准英语2010年(六)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(149) / 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(156) / 评论(0) 分类 VOA标准英语2010年(十)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(136) / 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(188) / 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(145) / 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(188) / 评论(0) 分类 英语新闻

Follow-up examinations of the mice in all these experiments looked at the strengths of connections between nerve cells within part of the brain called the ventral tegmental region. 在所有这些实验中,老鼠的后续检查是观察中脑腹侧被

发表于:2019-02-16 / 阅读(191) / 评论(0) 分类 经济学人科技系列

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(120) / 评论(0) 分类 万物简史
学英语单词
-thiourea
A-4
adunations
amplification
andonov
ar-rahman
artesian area
banerji
bastinadoes
be in a tight squeeze
bend arm hang
birthmother
Bratoljub
caridina pseudodenticulata
carrot ?
cellulose xanth(ogen)ate
centrifugal chuck
cilo dagi
compensating density
connecting pointer
constant pitch propeller
countably projective limit
Davidic
delayed open circuit
eat fish on Fridays
ecochleation
elancer
elephant city
emboliform nucleus
employeeattitude
exploitative relationship
extraction valve
eye-clipping
familialism
family Asclepiadaceae
fatty acid desaturation
flight incident
fluorescences
granberg
Gīlān, Ostān-e
hannibal
hematinics
hivess
hydroxyesterification
hyperlplastic
hyperthemia
inflammatory gangrene
inopportune
kirner
lead apes in hell
local hour angle of true sun
make one's best endeavour s
marshy soil
meme
necrotomist
non-performance of agreement
ockro
oil pressure indicator lamp switch
one-doctor
opaque backround
out to do
panasthenia
panguts
particularly urgent
Patti, G.di
plastic syringe
Poa nemoralis
professional dancers
proluvial
proper adjectives
prosyllogism
reindustrializations
rockpools
rond-de-cuir
scan frequency
scattered bundle
screw-driven boat
sealing water system
ship-based aircraft
Shongaloo
side impact bar
single element relay
sledgy
StaphVAX
stereophonic coder
stress-relaxation curve
supply flow
suspensorium hepatis
symbolic goods
taiwania cryptomerioides hay.
time to kill
titanium trichloride
undebatably
value added statement
Vena centralis
viscosity gravity constant
waister
warm temperate species
well-weathered
white onion sauces
xeropoion
xyloidine