单词：comb shaped 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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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
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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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UNIT 4 At Home 在家里 Lesson 29 Brush and Comb 毛刷和梳子 1.What is it?这是什么? brush 刷子 comb 梳子 soap 香皂 toothbrush 牙刷 2.Let's sing a song. This is the way we brush our hair, brush our hair,brush our hair. This is the way
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Fins 鱼鳍 Fish can swim well with their fins in water. 鱼因为有鳍能在水里畅游。 Also, fish cannot move without fins. 相反的，没有鱼鳍，鱼就不能游了。 Do you know that different fish have different shapes of fins? 你知道
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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
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'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
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歌词如下： This is the way we wash our face, Wash our face, wash our face. This is the way we wash our face, So early in the morning. This is the way we comb our hair, Comb our hair, comb our hair. This is the way we comb our hair, So early in t
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考虑到伦敦旅行？小心。那儿有很多的英语只是在伦敦才有并且你可能从未听到过。用以下最常见的伦敦方言为你的旅行作好准备！ Blimey!这是人们在表示惊讶时常用的表达方式。例如， Blim
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pear-shaped的本义是“梨形的、底宽顶窄的”，它通常可以引申为另一个意思：“全完了，都毁了”。 这种用法最早出现在20世纪60年代，由英语短语go pear
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Steve Holcomb almost lost his chance at Olympic success to congenital eye disease, but thanks to revolutionary operation he will compete in Vancouver. David Byrd | Washington 06 January 2010 Photo: Amanda Bird Steve Holcomb, bottom center, with bobsl
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今天我们要学的词是comb through。Comb through, 意思是仔细查找。龙卷风过后， Rescue workers combed through the rubble, searching for survivors, 救援人员在废墟中寻找幸存者。 Police combed through the house, looking
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By Sabina Castelfranco Palermo 05 October 2007 Security experts are gathered for a two-day meeting in Sicily organized by the Italian Atlantic Committee and the Atlantic Treaty Association, umbrella organizations working on security issues in NATO co
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