单词：Heliobacteriaceae
单词：Heliobacteriaceae 相关文章
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
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
新东方背诵文选
01Going Out of Business GLOSSARY to gobelly up to fail as a business; to have to close because a business is not earning enough money* The farm went belly up when it didnt rain enough for two summers in a row. to struggle to try very hard or for a ve
2008年ESL之商务英语
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
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
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
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
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
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
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
2015年VOA慢速英语(七)月
By Deborah Block Washington, DC 23 May 2006 watch New Sunscreen report Sunscreen with helioplex A new ingredient in sunscreen is being called the most important advance in skin protection from the sun
2006年VOA标准英语（五月）
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
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
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
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
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
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.
英语新闻
Julianne: Im really glad to be back in Macville. What happened to the market that used to be here? Helio: Oh, it went belly up . It struggled for many years. The owners tried to downsize and reduced the space they were renting, but they had to throw
地道美语播客
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。
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
英语新闻