腐蚀微生物

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(543) / 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(239) / 评论(0) 分类 新东方背诵文选

When We Fly to Mars, Microbes Will, Too 飞向火星的不止是你,还有我 A humid bathroom is the perfect habitat for mold. But there are ways to avoid it. We can just open the window and let some fresh air in! Not so easy on a space station th

发表于:2018-12-02 / 阅读(164) / 评论(0) 分类 2017年Scientific American(十)月

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(217) / 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(152) / 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(145) / 评论(0) 分类 Scientific American(三)月

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(136) / 评论(0) 分类 2010年慢速英语(三)月

Protective antibody 保护抗体 Pulmonary anthrax 肺炭疽 Pulmonary plague 肺鼠疫 Quarantine Ordinance 检疫令 Radix Isatidis granules 板蓝根冲剂 Reagent 试剂 Respiratory tract infectio

发表于:2019-01-03 / 阅读(127) / 评论(0) 分类 医务英语

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(154) / 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(130) / 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(186) / 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(272) / 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(137) / 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(193) / 评论(0) 分类 VOA标准英语2011年(六月)

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(153) / 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(169) / 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(140) / 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(125) / 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(146) / 评论(0) 分类 双语有声阅读

The space lecture featured a QA session towards the end. Students questions ranged from what space looks like from Tiangong-1 to what problems the human body has faces in space. One of the students asked if the astronauts can see space junk and how S

发表于:2019-02-18 / 阅读(259) / 评论(0) 分类 CCTV9英语新闻2013年07月
学英语单词
activation parameter
addition material
ALD-BSA
allinge
auricyanide
automatic tableting press
besported
blindman's buff, blindman's bluff
boleroes
bonaccordite
bourgeoises
brakhausen-kurz oscillator
bremsstrahlung from electrons
bruangs
central
centrophorid
cerebell-
chamaecyparis taiwanensis masam. et suzuki
charge-radiation
citation matrix
clamshell mucker
commutator spider
congressional debate
dead weight capacity
deck sprikler system
dermoid cyst of scrotum
desmic quartic
Deuteromycotina
double layer effect
dream up something
Eria bipunctata
exampler
extra load carrying capacity
fantaser
fizbo
get in sb.'s hair
gradient of keelblocks
grounded probe
hightop
hygrotoxin
impeachability
in-bond
infection thread membrance
instructional materials centre
karunatilleke
Kavaratti
KDEL receptor
l'auteur
Lac Ste-Thérèse
Laplacian curve
lightning tooth cross-cut saw
Lithocarpus elaeagnifolius
menai
metal-to-metal contact
metamorphic breccia
mithril
moncktons
mycobactocidin
neonatal line
NIHF
Nōtori-dake
palpebral sebum
para-acetylaminophenyl salicylate
pee and one
pictorial symbolization
pitch-faced
pleconaril
poking around
port frame
powder rolling process
preserved apples
project property
proscillaridin
Prunus triflora Roxb.
radio-astronomical observatory
rigorous examination
showreel
sinter box
societies of jesus
St Buryan
statistic-weight factor
stepped grate
suction maifold
telegraph notch gear
termination of the lease
theory of perturbations
thermo radiography
totalizing key punch
turrialba
U-Ject
undereffected
unidentified-actor
unplat
valve compressor
velocity of entry
venae pulmonalis superior sinistra
vertical take-off and landing port
water supply fire tanker
widden
with a caution
x-ray detection apparatus