雅思词汇真经 unit03添加文本

just the key words,maybe helpful attendv.专心；照顾 attendancen.到场；出席人数 attendant n.服务员；仆人 attorneyn.律师 attractivea.有吸引力的，讨人喜欢的 attribute vt.归因于 n.属性；象征；标志 auction n./vt.拍

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This is the VOA Special English Development Report. An estimated one-third of all people are infected with tuberculosis. Most have latent, or inactive, cases. They do not suffer coughing, increased body temperature or other signs of active TB. A tub

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The Secret Life of Roots Plant roots are important to life on earth. Roots take in water and nutrients that the plant needs to live and grow. They also help secure plants in dirt to prevent erosion - the breakdown of soil by natural forces. Roots are

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Bacteria Discovered To Recharge Cell Phone A microbe called Rhodoferax Ferrireducens，found in the mud at Oyster Bay，Virginia，has been discovered to transfer electrons directly onto an electrode

SSS 2011-05-19

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Its graduation season. And some scientists got to wondering whether the folks who shake hundreds of hands while passing out diplomas run the risk of coming

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一些常见的疾病： Backache 背痛 Cavity 蛀牙 Chills 发冷 Cramps 抽筋 Fever 发烧 temperature 发烧 Rash 疹子，皮疹 Toothache 牙疼 Osteoporosis 骨质疏松症 Herniated disk 椎间盘突出 Constipation 便秘 Diarrhea 腹泻 G

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unit 573 探望朋友 dialogue 英语情景对话 A:I am sorry to hear that you are not feeling well. How are you? A:听说你病了，我很担心。你怎么样了？ B:Thank you. I was operated on for gastric ulcer. B:谢谢。我患胃溃疡动了手

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Bad Things Come in Small Packages 拆信小心！ While most armies in the world shun their use, and military authorities exclude them from warfare, the technology to produce biological and chemical w

SSS 2010-12-07

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Think about flying and you no doubt think about air--the wind in your face, the wind at your back, the wind beneath your wings. Now physicists note that li

SSS 2010-12-02

This is Scientific American's 60-Second Science, I'm Christopher Intagliata. Got a minute? Life on earth requires six basic ingredientscarbon, hydrogen, nitrogen, oxygen, sulfur and phosphorus. Those six elements are the building blocks for DNA and R

VOA慢速英语 2008 1104a

This is the VOA Special English Agriculture Report. Cotton plants Bollworms are a traditional threat to cotton crops. Young ones feed on the boll, the part of the cotton plant that contains the seeds. A bacterium known as Bt is able to kill bollworm

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Winners at CMA Awards It was a big night for Miranda Lambert at the 48th annual Country Music Association Awards, presented Wednesday night in Nashville, Tennessee. Lambert went into this years Country Music Association Awards race with nine nominati

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It's perhaps the most controversial pick in the history of a respected award. Three pioneers in the science of genetically modified crops are receiving this year's prestigious World Food Prize, Thursday, Oct. 17 in Iowa. According to the prize citati

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HANGZHOU, April 8 (Xinhua) -- A ceremony was held here Saturday evening to give away China's first Pineapple Science Prize, which is designed to honor researches with great imagination and to arouse the public enthusiasm for science. Jointly launched

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Now, this nice picture shows a thought-balloon, a thought-bubble. 好了，这张图展示的是一个思维泡泡。 I think everybody understands what that means. 我想大家都知道这是什么意思。 That's supposed to exhibit the stream of c

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Amd of course, you've just heard and you already know that we're running out of antibiotics. 当然，你一定听说过，而且你早就知道了，我们快要没有有效的抗生素了。 Bacteria are incredibly multi-drug-resistant right now, a

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The reason that Vibrio fischeri is doing that comes from the biology. 费氏弧菌的发光现象来自生物学上的原因。 So again, another plug for the animals in the ocean, Vibrio fischeri lives in this squid. 接下来，我们再来看一个海