单词：hyperbranched 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
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
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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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图片1 firm n. 公司adj. 结实的，坚定的v. 牢固，坚定 adv. 稳固地坚定地 例句：The firm branched out quickly. 那家公司很快扩大了经营范围。 Cary insisted that we should maintain afirm attitude. 凯里坚持我们必须
漫画搞定六级词汇（文本+音频）
AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- getting hyper about correctness. RS: English once had a system where nouns took different forms depending on whether they were the subject or the object of a sentence. We've los
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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
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
Scientific American(二)月
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)
4.常见疾病名称 Internal Medicine 内科 Acidosis 酸中毒 Adams-Stokes syndrome 亚－斯氏综合症 alcoholism, alcoholic intoxication 酒精中毒 alkalosis 碱中毒 anaphylaxis 过敏症 anemia 贫血 iron deficiency anemia 缺铁性贫血
英文语法词汇
1. Dude, stop drinking, you are already hammered. 哥们，别喝了，你醉了。 hammer 既可作名词又可以作动词，都与锤有关。 hammered 除了可以表示成形的，锤制过的以外，在美语里可以表示喝醉的，与drunk同
英语口语
It is not your average police car. 这可不是一辆普通的警车。 Abu Dhabi's Police Department has revealed its latest vehicle - a $3.4m hypercar with a surveillance system robocop would be proud of. 阿布扎比的警察部门曝光了他们最
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A new app promises to revolutionise the way we take pictures, creating hypnotic animated loops of everyday snapshots to be shared on social media. 一个新应用程序立志要颠覆我们的拍照方式，称可以创建一种能在社交媒体上共
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AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- getting hyper about correctness. RS: English once had a system where nouns took different forms depending on whether they were the subject or the object of a sentence. We've los
英语单词大师-Word Master
AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- getting hyper about correctness. RS: English once had a system where nouns took different forms depending on whether they were the subject or the object of a sentence. We've los
英语单词大师-Word Master
Broadcast on COAST TO COAST: March 11, 2004 AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- getting hyper about correctness. RS: English once had a system where nouns took different forms depending on whether they were the su
词汇大师(Wordmaster)