单词：irradiated polymer
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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
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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
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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
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(CAIRO, Reuters)Egyptian doctors have successfully removed a 100-pound tumor from the stomach of a 17-year-old girl. （路透社开罗电）一群埃及医师日前成功地从一名十七岁女孩的胃里取出一颗重达一百磅的肿瘤。 Doc
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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
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
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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
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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)
benign,adj 慈样的，（气候，性格）温柔善良的＝good-natured＝kindly；（肿瘤）良性的 【例】A benign tumor will not cause you any fatal harm 良性肿瘤不会对你有致命的伤害。 【记】ben好，ign形容词后缀－好
不择手段背单词
AGRICULTURE REPORT December 17, 2002 — Irradiated Meat This is the VOA Special English Agriculture Report. The United States government has approved methods of destroying bacteria in meat by using r
农业与发展
2006职称英语考试模全真拟试题理工类B级（一） 第一部分：词汇选择（第1-15题，每题1分，共15分） 下面共有15句子，每个句子均有一个词或短语划有底横
实用英语
Topic 1-China Arrests 14 for Selling 5000 Tons of Irradiated Seafood 14 people have been arrested for smuggling 5,000 tons of seafood into China, a portion of which originated from Fukushima, Japan. Now consumers are worried that irradiated smuggled
英语角-圆桌会议