[医] 红色细菌族

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(590) / 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(275) / 评论(0) 分类 新东方背诵文选

Rho Ophiuchi dark cloud is one of the closest star-forming regions to our own solar system. Located near the constellations Scorpius and Ophiuchus, the nebula is about 407 light years away from Earth. The infrared astronomical satellite, now celebra

发表于:2018-12-05 / 阅读(229) / 评论(0) 分类 国家地理2008年

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(257) / 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(185) / 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(181) / 评论(0) 分类 Scientific American(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(179) / 评论(0) 分类 VOA常速英语2008年(二月)

You know how uncomfortable it feels when you really have to go to the bathroom? And you have to hold it in? If researchers get their way, disease-carrying mosquitoes will spend their last moments being that uncomfortable. Cornell University scientist

发表于:2019-01-08 / 阅读(215) / 评论(0) 分类 Scientific American(三)月

By Andre de Nesnera Washington 06 July 2006 Just a few days ago, North Korea triggered an international furor when it conducted several ballistic missile tests. In this report from Washington, VOA Senior Correspondent Andr de Nesnera looks at whethe

发表于:2019-01-11 / 阅读(251) / 评论(0) 分类 2006年VOA标准英语(七月)

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(213) / 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(307) / 评论(0) 分类 2015年VOA慢速英语(七)月

Bacteria Thrive on Ocean Plastic Debris It takes about six weeks for a plastic bag or bottle to ride the surface currents from the U.S. East Coast to the Sargasso Sea, in the center of the North Atlantic. The area is a gyre, essentially a big whirlpo

发表于:2019-01-14 / 阅读(161) / 评论(0) 分类 VOA标准英语2013年(七月)

音乐咖啡厅:Beckah Shae - Just to Know 相关介绍 :而这是Beckah Shae的一张最新专辑,经Montell Jordan, tobyMac Group 1 Crew 等人编制,由Shae Shoc Records音乐公司出品。 也就是说,这张专辑是由Beckah Shae自己的

发表于:2019-01-17 / 阅读(277) / 评论(0) 分类 音乐咖啡厅

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster we have part two of our look at proverbs in American English. RS: We continue our conversation with Wolfgang Mieder, a professor of German and folklore at the University of Vermont

发表于:2019-01-18 / 阅读(195) / 评论(0) 分类 英语单词大师-Word Master

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: proverbs in American English. RS: It's tempting to call Wolfang Mieder the proverbial expert from out-of-town. A professor of German and folklore at the University of Vermont, he

发表于:2019-01-18 / 阅读(212) / 评论(0) 分类 英语单词大师-Word Master

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(158) / 评论(0) 分类 英语新闻

BERLIN, May 2 (Xinhua) -- Finnish(芬兰) soccer veteran defender Sami Hyypiae is going to quit his active career after the season 2010/2011 at his current club Leverkusen, aiming to start a professional coach schooling, Hyypiae announced on Monday.

发表于:2019-02-08 / 阅读(161) / 评论(0) 分类 英语新闻

音乐咖啡厅:Beckah Shae - Life 相关介绍:Beckah Shae很小的时候就显示出她在音乐方面的特殊天赋,常常被人们称赞为songbird。作为一名独立厂牌的音乐歌手, Beckah Shae一直都很坚持自己的音乐风格。

发表于:2019-02-18 / 阅读(264) / 评论(0) 分类 音乐咖啡厅

Chelsea beat FC Nordsjaelland 4-0 in Champions League COPENHAGEN, Oct. 2 (Xinhua) -- Top English football club Chelsea beat Danish side FC Nordsjaelland 4-0 to win their first Champions League group stage match at the Parken Stadium here on Tuesday e

发表于:2019-02-19 / 阅读(208) / 评论(0) 分类 英语新闻

Transcript for Reference Only --chunshan The infrared astronomical satellite, now celebrating its 25th anniversary, gave us the first all sky view of our dusty infrared universe. Floating above the galactic center is the Rho Ophiuchi Cloud, about 400

发表于:2019-02-26 / 阅读(286) / 评论(0) 分类 自然百科2008年
学英语单词
A-weapon
adiabatci condition
after-table
alcoholic poisonous amnesia
analysis of data
anisomyopic
antilipo
argils
avalanche rectifier diode
barium phosphite
be susceptible to
body side bearing beam
branchial formuia
broadside spread
brzezinski
camphorated oil
candleglow
Catha edulis Forsk.
cerotic acids
chromoblast
classification of fractures
closed crankcase compressor
cotton manufactured goods
curative food
detiform
detrect
Devrekani
doughnut pessary
emotional-behavioral
enclosing type
Euvasculin
even line enterlacing
extra life
Falso Cabo de Hornos
fish-market
fissionable mateial
flavanthrene
flipness
Fort Saint David
full flow
gap of wealth
generalized inflation
genus comatulas
gontcharova
huygenian ocular
I have no money
in-tally sheet
jack in unit
l'est
Lang Son
League City
leave a mark upon
lloyd's market
looking around
marketing automation
meta-uranopilite
metaharmonic
microwave terminal station
Minnesotians
monarch
mucker
nasally
nrsc
Nyambiti
ohmag
Parrett, R.
pectizes
piggyback container
position of the arms
praxinoscopes
prestige pricing
primary hyperthyroidism
primitive group
prunus laurocerasuss
qualisign
radiate frequency
roseager
S-space
screen printer
seizure for unlawful use
serrulatus
soil wash(ing)
surch
tar pump
thalidomides
the vote
thermo-genesis
thermonuclear temperature
trazitiline
triglycerol
two-step action control
u/n (user/network)
unmention'd
unvisionary
vacuum field
vanatta
wake-up pill
wolphin
workload model calibration
zelatrices
zero reference