【微生物学】芽殖细菌

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(535) / 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(233) / 评论(0) 分类 新东方背诵文选

A: Its really pretty today. B: This is the best time to take a stroll through the park. A: I feel the same exact way. B: Look how nice the mountains look today. A: Arent the budding roses beautiful? B: Its obviously spring. A: All the flowers are blo

发表于:2018-12-02 / 阅读(135) / 评论(0) 分类 英语情景对话-邻居

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(212) / 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(151) / 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(140) / 评论(0) 分类 Scientific American(三)月

为多家公司做广告代言人,年收入超过2000万美元,她就是来自俄罗斯的金发美女莎拉波娃…… The 18-year-old budding tennis star Maria Sharapova, who hails from Russia

发表于:2019-01-03 / 阅读(109) / 评论(0) 分类 奥运英语

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)

《你是人间的四月天》 You Are the April of This world 我说你是人间的四月天; 笑声点亮了四面风; 轻灵在春的光艳中交舞着变。 You are the April of the world, I say; Your laughing shines the wind on either side;

发表于:2019-01-08 / 阅读(128) / 评论(0) 分类 英语笔译

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(181) / 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(270) / 评论(0) 分类 2015年VOA慢速英语(七)月

By Anna Boiko-Weyrauch 26 September 2009 Monday is Yom Kippur - the holiest day of the year for Jews. The holiday will be marked in Jewish communities around the world, including Western Ghana. A small group of people from the Sefwi tribe in western

发表于:2019-01-13 / 阅读(106) / 评论(0) 分类 VOA标准英语2009年(九月)

Amid this year's compeditive job market for college grads, a growing number of young people are embracing the idea of starting their own business. CRI's Li Dong has more. Yu Jiwen, a fresh graduate of Guanghzou University in south China's Guangdong P

发表于:2019-01-19 / 阅读(142) / 评论(0) 分类 世界各地新闻集锦

文本: C- Christopher Tietjens Mac- MacMaster E- Edith Duchemin D Duchemin Mac: I am Macmaster. We corresponded and you invited me for breakfast. D: Of course I did! Macmaster, the budding critic! And friend. Macmaster and friend to breakfast! Not

发表于:2019-01-21 / 阅读(116) / 评论(0) 分类 跟着英剧练发音

Idiom: Out on a limb ( in a difficult situation) Hit the book: Budding Wannabe Beneficial Melody Boost Correlation Stimulate Do you have a budding pianist? A drummer wannabe? A future flutist? Playing a musical instrument is very beneficial to childr

发表于:2019-01-22 / 阅读(181) / 评论(0) 分类 趣味青春英语

经典歌曲-我的一切all kinds of everything - dana All Kinds Of Everything歌词 snowdrops and daffodils, butterflies and bees, sailboats and fishermen, things of the sea, wishing wells and wedding bells, early morning dew, all kinds of everythi

发表于:2019-02-05 / 阅读(162) / 评论(0) 分类 经典英文歌曲

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(122) / 评论(0) 分类 英语新闻

It's not every day a Hollywood heart-throb pitches up in your classroom。 好莱坞大众情人---酷酷的加勒比海盗(强尼德普)突然出现在教室,这实在是如梦如幻的时刻。 The star is currently in south-east London filming t

发表于:2019-02-18 / 阅读(136) / 评论(0) 分类 阅读空间

Creating a new computer or software from scratch is the dream of many a budding Steve Jobs. And now this goal is easier to reach than ever. A new, low-cost computer that can be bought for around £20 (200 yuan) has been launched in the last few days

发表于:2019-02-21 / 阅读(136) / 评论(0) 分类 英语听力精选进阶版

The benefits of volunteering, 志愿者的好处 Can Be Relevant Work Experience 可以成为相关的工作经验 Something that seems to stop many, is that experience often se ems to be a prerequisite to get a job. With some professions, volunteeri

发表于:2019-03-06 / 阅读(163) / 评论(0) 分类 英语听力广播—Listening
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