致逆转录病毒

VOA慢速英语2017 抗击病毒，疫苗是希望

From VOA Learning English, this is the Health Lifestyle report. In 2016, three viruses made news, and they present difficult problems for health officials in the New Year. One virus threatens babies in many parts of the world. Another has reappeared

发表于:2018-12-07 / 阅读(63) / 评论(0)

2017年VOA慢速英语(一)月

VOA标准英语2013--High-Tech Images Show How Viruses Infect Cells

High-Tech Images Show How Viruses Infect Cells At the University of Texas Medical School at Houston, Jun Liu uses a powerful electron microscope to examine E. coli bacteria and the tiny T-7 virus that infects them. Liu says until now, scientists coul

发表于:2018-12-16 / 阅读(63) / 评论(0)

VOA标准英语2013年(一月)

SSS 2009-01-29

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Weve all gotten e-mails warning us about nasty computer viruses. Maybe you even have antivirus software installed on your machine. Well, now scientists s

发表于:2018-12-24 / 阅读(76) / 评论(0)

Scientific American(一)月

SSS 2009-05-18

This is Scientific American's 60-Second Science. I am Steve Mirsky, got a minute? With swine flu, the big infectious disease story, you don't hear much about bird flu these days. And you may not have to look past your own nose for the reason because

发表于:2018-12-24 / 阅读(65) / 评论(0)

Scientific American(五)月

Ancient viruses

This is not a word for word transcript. William: Hello and welcome to 6 minute English. I hope you're ready for another five minutes and fifty-five seconds of wonderful English language conversation about an interesting topic from BBC News. I'm Willi

发表于:2019-01-07 / 阅读(129) / 评论(0)

六分钟英语

SSS 2009-01-20

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. For years, scientists and physicians have been up in arms about the rise in antibiotic resistance. Seems that many bacteria, devious buggers that they ar

发表于:2019-01-08 / 阅读(85) / 评论(0)

Scientific American(一)月

2006年NPR美国国家公共电台二月-Two Viruses Target the Macintosh

Astronomers say they have some intriguing new clues about one of the biggest mysteries of the universe. More than 20 years ago, scientists discovered that most of the matter in the universe is not made up of ordinary atoms, it is something invisible

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2006年NPR美国国家公共电台

NPR 2009-07-14

From NPR News in Washington, I'm Jack Speer. Today Judge Sonia Sotomayor described her judicial philosophy as fidelity to the law. Her opening statement capped the first day of her confirmation hearing to the Supreme Court. NPR's Ari Shapiro reports

发表于:2019-01-08 / 阅读(87) / 评论(0)

2009年NPR美国国家公共电台7月

VOA慢速英语 Olympic Committee to Test Rio's Water for Viruses

AS IT IS 2015-08-06 Olympic Committee to Test Rio's Water for Viruses Rio de Janeiro, Brazil is busy preparing for the 2016 Olympics. On Sunday, the International Olympic Committee said it will begin testing the waters where swimmers and other athlet

发表于:2019-01-12 / 阅读(99) / 评论(0)

2015年VOA慢速英语(八)月

Strengthen Your Core With 5 Simple Exercises

Strengthen Your Core With 5 Simple Exercises From VOA Learning English, this is the Health and Lifestyle report. Your core is a complex network of muscles. It includes your abdominal muscles, back muscles and the muscles around you pelvis. Basically,

发表于:2019-01-12 / 阅读(126) / 评论(0)

2016年VOA慢速英语(七)月

VOA标准英语2013--Discovery Could Lead to New Drugs to Block Deadly Viruses

Discovery Could Lead to New Drugs to Block Deadly Viruses Viruses are strange things. Though there is some scientific question about whether viruses are alive or not, they do have a basic genetic structure that allows them to be biologically active.

发表于:2019-01-14 / 阅读(96) / 评论(0)

VOA标准英语2013年(三月)

美国国家公共电台 NPR Is The Pentagon Modifying Viruses To Save Crops — Or To Wage Biological Warfare?

STEVE INSKEEP, HOST: The Pentagon is funding some new research on insects and plant viruses. It says the goal is to protect agricultural crops. Some critics say it looks more like an attempt to make biological weapons. Here's NPR's Dan Charles. DAN C

发表于:2019-01-17 / 阅读(126) / 评论(0)

2018年NPR美国国家公共电台11月

【一起听英语】病毒

病毒存在了多少年，我们人体内有多少基因？这些科学问题来让我们揭晓。 William: Hello and welcome to 6 minute English. I hope you're ready for another five minutes and fifty-five seconds of wonderful English language conv

发表于:2019-01-23 / 阅读(135) / 评论(0)

一起听英语

2006年VOA标准英语-New Study Says Two Related Viruses May be

By Pat Harris Washington, DC 09 May 2006 watch Virus report Marburg Ebola Virus The Marburg and Ebola viruses have caused fatal outbreaks in Africa for the past four years. A recent study shows a vacc

发表于:2019-01-30 / 阅读(138) / 评论(0)

2006年VOA标准英语（五月）

似乎永不休止的感冒为什么一直不见好转

About a month ago Sharon Gilbert was hit with a runny nose, sore throat and a cough. The whole snotty works. 大约在一个月前，莎伦吉尔伯特(Sharon Gilbert)出现了流涕、咽喉疼痛、咳嗽等一系列令人烦恼的症状。 A few w

发表于:2019-02-01 / 阅读(70) / 评论(0)

阅读空间

经济学人298:海洋生物跳蚤市场

Science and technology 科学技术 Marine biology 海洋生物 Flea market 跳蚤市场 A newly discovered virus may be the most abundant organism on the planet 一种新发现的病毒可能是地球上最丰富的物种。 WHAT is the commonest li

发表于:2019-02-04 / 阅读(112) / 评论(0)

经济学人科技系列

每日一词【417】hard-core：坚定的，铁杆的

今天我们要学的词是hard-core。 Hard-core, 是指坚定的，铁杆的。Hard-core gamers, 是指打电玩上瘾的人。Hard-core members of the party, 是指一个政党的中坚力量。All my friends are hard-core Redskin fans, 我的朋友

发表于:2019-02-05 / 阅读(104) / 评论(0)

英语每日一词

一次咳嗽会产生2万个病毒

一次咳嗽会产生2万个病毒 The next time you cough or sneeze, there is good reason to cover your mouth. As many as 20,000 viruses are expelled in an average cough, which may be sufficient to infect many people - particularly those who are not

发表于:2019-02-05 / 阅读(107) / 评论(0)

实用英语

学个词Learn a Word 第417期 Hard-core

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英语单词荟萃

2018年CRI Core technology key to digital economy development: Jack Ma

Core technology key to digital economy development: Jack Ma A new push to advance China's digital economy, particularly in the wake of the US ruling against Chinese telecom giant ZTE, are the hot topics of discussion at this year's Digital China Summ

发表于:2019-02-14 / 阅读(159) / 评论(0)

2018CRI中国国际广播电台

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American Ephemeris and Nautical almanac

angular deviation sensitivity