单词:insect viruses
单词:insect viruses 相关文章
[00:00.00]unit 3 Can you sing? [00:07.68]Conversation [00:11.05]Listen and look. [00:15.18]Can you read? Yes,I can. [00:20.82]Can you read? No,I can't. [00:25.97]Can you sing? Yes,I can. OK!Let's sing! [00:33.62]Yeah!Let's sing! No!No,Gogo!No! [00:48
Plants vs. Insects 植物和昆虫 New research is shedding light on one of the longest running battles of all time -- the war between plants and insects. Plants may seem helpless, but they have complex chemical defenses. Plants vs. insects -- today on E
[00:00.00]Unit 3 Plants and us Lesson 9 [00:05.09]New word and expression [00:09.04]taste [00:10.51]v.品尝;吃起来 [00:11.99]either [00:14.21]也(不) [00:16.43]not...either [00:18.70]不...也不 [00:20.98](be)good for [00:22.80]对...有好
[0:02.043]UNIT 2 Talking About Lessons [0:06.942]Lesson 6 What's an Insect? [0:09.963]Let's talk. [0:12.493]What are you doing? [0:13.932]Uh..., nothing. [0:16.289]I'm not [0:16.779]telling you. [0:18.024]Oh, please. [0:19.697]OK. It's a ladybug. [0:
[00:03.76]UNIT 2 Interesting Lessons [00:07.18] Lesson 6 What's an Insect? [00:11.33]Let's talk. [00:14.13] What are you doing? [00:15.44] Uh...,nothing. [00:17.93]I'm not telling you. [00:19.52]Oh, please. [00:22.04]OK. It's a ladybug. [00:23.79]It'
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
ARI SHAPIRO, HOST: At the University of Wisconsin, some students are blending art and science to create hotels that might save disappearing insects. Susan Bence of member station WUWM explains. SUSAN BENCE, BYLINE: Every year, lecturer Katie Martin-M
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
Q: What letter of the alphabet is an insect? A: B. (bee) Q: What letter is a part of the head? A: I. (eye) Q: What letter is a drink? A: T. (tea) Q: What letter is a body of water? A: C. (sea) Q: What letter is a vegetable? A: P. (pea)
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
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
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
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
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.
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
Pick the World's Ugliest Insect Arizona State University and Northern Arizona University want your vote at askabiologist.asu.edu/uglybugs to help them crown the ugliest insect in the world. Adam Hinterthuer reports Will you pick Sweetness or The Goll
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
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
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