单词：polymer medicine
单词：polymer medicine 相关文章
Medicine from the Sea By Kevin Krajick / Originally appeared in Smithsonian , May 2004. Reprinted by permission. From slime to sponges, scientists are plumbing the ocean’s depths in search of new me
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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t
Scientific American(四)月
This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because
Scientific American(三)月
Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c
Scientific American(一)月
最近感冒好像很流行，阿美想着买点药预防。但是由于过度担心，阿美竟然把药落在了药店，只好回来拿。 Listen Read Learn Doctor: Here you are. You left the medicine here. May: Sorry. I was too worried. Doctor: I firmly believe that you love your brother ver
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家里的药都过期了，没办法阿美只好到药店买药，她买了什么药呢，我们接着往下看！ Listen Read Learn Doctor: What can I do for you? May: I need some medicine. Doctor: For whom? May: My younger brother. He suffers from a bad cold. Doctor: What symptoms doe
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丹尼尔生病了，偏偏爸爸妈妈又加班不能回家，只有阿美帮着照顾，阿美照顾得怎么样呢？我们一起往下看吧！ Listen Read Learn May: Poor Danny. You are so enfeebled! Daniel: Don't worry. No big deal. Just a common cold. May: Mom called just now saying that sh
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I dont understand how anyone can like medicine. Ive never liked it. I used to refuse to take it as a kid because the taste was so disgusting. Im not sure whether or not medicine is a good thing. Im sure that most of the time our body will recover nat
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Lowering the Ceiling on Roof Energy Losses Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because traditional black asphalt roofs heat up in summer and s
60秒科学
And now, the VOA Learning English program Words and Their Stories. Each week, we tell about terms and expressions we use in American English. Sometimes we give you the origin, or starting point. But oftentimes language experts do not know exactly how
2018年VOA慢速英语(十)月
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor
Scientific American(九)月
Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don
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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene
Scientific American(四)月
Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o
2016年VOA慢速英语(九)月
'Smart' Bandages Could Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Simple bandages are usually seen as the first line of attack in healing small to moderate wounds and burns. But scientists say new synthetic materials with embedded
VOA标准英语2016年(二月)
By Kevin Billinghurst Stockholm 08 October 2007 The Nobel Prize in Medicine or Physiology will be shared this year by three researchers, two Americans and a Briton, for their studies of embryonic stem cells in mice. Kevin Billinghurst was on the scen
2007年VOA常速英语（十月）
I dont understand how anyone can like medicine. Ive never liked it. I used to refuse to take it as a kid because the taste was so disgusting. Im not sure whether or not medicine is a good thing. Im sure that most of the time our body will recover nat
纯正英语一分钟
Three European scientists who discovered the viruses behind AIDS and cervical cancer shared this year's Nobel prize for medicine. Lisa Bryant has more on the prestigious award for VOA from Paris. French scientists Luc Montagnier (file photo) The Nob
VOA标准英语2008年（十月）
medicine 表示药，尤指内服药，通常为不可数名词。如： Don't take too much medicine. 药不要吃得太多。 The cough will pass away without medicine. 这种咳嗽不服药也会好的。 但指不同种类时，可用作可数名词
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