[网络] 耐热细菌

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacteria are u

发表于:2018-11-28 / 阅读(489) / 评论(0) 分类 新概念优美背诵短文50篇

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is abo

发表于:2018-12-01 / 阅读(195) / 评论(0) 分类 新东方背诵文选

A new study into the hygiene of supermarkets has found that shopping carts are dirtier than the stores bathrooms. Microbiologist Dr Charles Gerba of the University of Arizona conducted research on the handles of 85 carts in four American states. He r

发表于:2018-12-07 / 阅读(183) / 评论(0) 分类 创新英语

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Sometimes a bit of bacteria can be just what the doctor ordered. If you prize yogurt for its active cultures, you know what Im talking about. Now a new s

发表于:2018-12-24 / 阅读(124) / 评论(0) 分类 Scientific American(九)月

They say that who you hang out with says a lot about who you are. Well, the microbes that hang out on your fingers can point to exactly who you are. Because scientists at the University of Colorado in Boulder have been able to identify individuals ba

发表于:2018-12-24 / 阅读(116) / 评论(0) 分类 Scientific American(三)月

Did you know that there could be more bacteria living in your mouth than there are people on earth? 你知道吗,寄居于你口中的细菌有可能比全世界的人口数还多? Bacteria love our mouths because the livin is easytheres plenty o

发表于:2018-12-28 / 阅读(161) / 评论(0) 分类 初学者听力文摘精选

This is the VOA Special English Health Report. Tuberculosis killed one million three hundred thousand people around the world in two thousand seven. In addition, almost half a million people who were infected with tuberculosis and with H.I.V. also di

发表于:2019-01-02 / 阅读(96) / 评论(0) 分类 2010年慢速英语(三)月

This is the VOA Special English Health Report. Bad teeth can be painful -- and worse. They can even be deadly. Infections of the gums and teeth can release bacteria into the blood system. Those bacteria can increase the chances of a heart attack or s

发表于:2019-01-07 / 阅读(101) / 评论(0) 分类 2010年慢速英语(三)月

By Ruth Reader Washington, DC 13 February 2008 There is growing concern around the world over illnesses caused by new antibiotic-resistant bacteria, or so-called superbugs, and the decreasing effectiveness of antibiotics to treat infections. Earlier

发表于:2019-01-07 / 阅读(124) / 评论(0) 分类 VOA常速英语2008年(二月)

HEALTH REPORT -August 7, 2002: Bacteria in Food This is the VOA Special English Health Report. An American food company recently recalled about eight-million kilograms of ground beef that is used to m

发表于:2019-01-07 / 阅读(108) / 评论(0) 分类 健康与环境

HealthReport-GutBacteria:WeAreWhatWeEat This is the VOA Special English Health Report. The human digestive system is full of bacteria -- mostly good bacteria. These organisms help break down food so the body can use the nutrients. Scientists are expl

发表于:2019-01-12 / 阅读(151) / 评论(0) 分类 2011年VOA慢速英语(九)月

Experts: Let Produce Dry Out to Avoid Bacteria American researchers say farmers should wait one day after a rain storm or watering their fields to harvest fresh fruits and vegetables. They say gathering the crops at least 24 hours after rainfall incr

发表于:2019-01-12 / 阅读(230) / 评论(0) 分类 2015年VOA慢速英语(七)月

Around the world, cesarean births are on the rise, and many experts think that's a bad thing. Now, a new study looks at one way that babies delivered by c-section are different. The number of surgical deliveries has been increasing for years. Some ce

发表于:2019-01-13 / 阅读(111) / 评论(0) 分类 VOA标准英语2010年(七)月

E coli: Good Bacteria Gone Bad As a major outbreak of a highly toxic strain of E. coli bacteria continues to sicken residents of Europe, medical experts are racing to find the source. E. coli doesn't usually cause any trouble, says University of Minn

发表于:2019-01-14 / 阅读(154) / 评论(0) 分类 VOA标准英语2011年(六月)

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(137) / 评论(0) 分类 2017年NPR美国国家公共电台8月

DAVID GREENE, HOST: For the first time, scientists have figured out just how many tiny critters are living inside your kitchen sponge. Now, don't fear. NPR's Michaeleen Doucleff says there is something you can do about this. MICHAELEEN DOUCLEFF, BYLI

发表于:2019-01-16 / 阅读(121) / 评论(0) 分类 2017年NPR美国国家公共电台9月

Cigarettes Are Bacteria Sticks, Too A study in the journal Environmental Health Perspectives finds that cigarettes harbor various species of bacteria, some of which cause disease. Karen Hopkin reports This January, the country Turkey will join a hand

发表于:2019-01-30 / 阅读(142) / 评论(0) 分类 60秒科学

European and World Health Organization scientists say a deadly outbreak of E. coli bacteria that has killed 18 people is a rare and virulent(致命的) strain of the bacteria. The latest victim died Wednesday night in Germany. The United Nations agen

发表于:2019-02-04 / 阅读(124) / 评论(0) 分类 英语新闻

BEIJING, May 24 (Xinhuanet) -- Scientists revealed for the first time the molecular structure of proteins, which enables bacteria to transfer electrical charges, according to a new study. The revelation was published in Proceedings of the National Ac

发表于:2019-02-07 / 阅读(100) / 评论(0) 分类 英语新闻

48 Bacteria Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bac

发表于:2019-02-17 / 阅读(122) / 评论(0) 分类 双语有声阅读
学英语单词
acted-out
afermol
agricultural prices at farm gate
alant
Albanian capital
Androsace pomeiensis
anterior comunicating artery
appraisal procedure
bats around
be a matter of record
blast swelling
bombycina
capacitance synchronism tolerance
car washing
carbon dioxide fertilization
carnyxes
christological
Churchill, Sir Winston
coalinga
combined element and character interleaving
consumable tool and equipment
contract clause
crunkling
current payment
dearterialization
diglutathione
dioxindol
discludes
Drogeham
dunnage batten
ecdysozoan
electroceutical
embarkments
gateway controller
grain spreader
gyro hydraulic steering control
hadithah
hassen
Hook Pt.
hyperoglyphes
Inapetyl
industrial standardization
inscribed polyhedron
ISDN adapter
kachori
lacebug
lawal
logicaster
long disk playing time
longlost
loyamycin
m-nitrotoluene
many-valley theory
melagatran
metazoxolon
monkeys might fly out of my butt
Mount Gay
muang pre(phrae)
octopean
office-seekers
orchidaceous plant
Oronoque R.
Orostachys aliciae
output(current)
overqualified workers
papua new guinea
pin point colony
present coordinate
puerperal streptococcal infection
punch travel
radial paddle wheel
recombination ramjet engine
recorder finder
replaiting
Republic of Turkey
repunishing
roadway dimension
sapho
septuagesimas
sireless
sort function
spur wheels
stadia factor
steering order
stem dinghy
sudden hearing loss
suitliner
take a whack at
tape-decks
Taran, Mys
tighty whiteys
toxinum
trapping system
Tripterygium regelii
truss up
victim-impact
Wallingford
Wendlandia jingdongensis
wind board
wrapping tape machine
Yepachic