单词：star-shaped polymer
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Hexagon 六边形 A hexagon is a shape that has six edges and six vertices. 六边形是有六条边和六个顶点的图形。 In other words, a hexagon has six angles and six straight sides. 换句话说，六边形有六个角和六条直边。 Th
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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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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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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
与美国小学生一起学英文第6册
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
VOA标准英语2016年(二月)
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
实用英语
火山爆发 The Eruption of Volcano abundant adj. 丰富的，富余的 accretion n. 增长 accumulation n. 积聚，堆积物 active volcano 活火山 Alaska Volcano Observatory 阿拉斯加州火山观
英文语法词汇
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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是吃货，更是水果控?见到鲜果美味就想统统把它们收到肚子里来~ 然而，英文里几款和水果相关的习语，并没有请你吃水果的意思，千万可别误会哦! 1. Go pear-shaped 有一种身材叫做梨形身材，很
英语口语
不管是在学习,工作还是生活中,我们总会因为各种各样的原因搞砸一些事情,那么搞砸在英语口语中是如何表达的呢? 快来看看吧~ 1、screw up 弄糟， 搞砸 She had screwed up and had to do it all over again。
英语口语
There She Goes Looking Like A Star With Her Body Shaped Like A Rock Guitar There She Goes Like A Shooting Star Make You Wanna Play Makes All The Boys Them Say Yeah' The Way Her Body Moving Like A Hurricane Thought I Knew What Sexy Was But Uh... Uh I
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