单词：thermoset 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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backset, n 挫折，倒退；涡流，逆流＝check 【记】backset＝set back－倒退 【反】hike（n 远足，增加）
不择手段背单词
1. diathermy /'daɪə,ɜːmɪ/ -- method of treating disease by genereating heat in body issues by high-frequency electric currents Diathermy may prescribed for arthritis, bursitis and other conditions requiring heat treatment. 关节炎、黏液囊炎
突破英文词汇
说一口流利的英语，从简单的单词开始。 听听，读读，背背，今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 whom [ hu:m ] I don't know to whom I o
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说一口流利的英语，从简单的单词开始。 听听，读读，背背，今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 miss [ mis ] I'm sure that everybody w
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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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必备知识4:一些必要的词根(stems) -anthro-,-anthropo- human anthropology -aster-,-astro-,-stellar- star asterisk -audi-,-audit- hear audience -auto- self autograph -bio- life biology -capit- head, chief capital, captain -ced-go, move,yield p
雅思英语
set of wheels free-wheeler Wheel是轮子的意思。轮子是在很久以前就发明的，现在都没有人记得到底是谁发明了轮子。可是，轮子的发明对人类做出了非常大的贡
美国习惯用语
LONDON, Feb. 9 (Xinhua) -- Reigning Olympic champion and world record holder Dayron Robles will go head-to-head with reigning world indoor champion Liu Xiang of China in a blockbuster 60m hurdles race at the Aviva Grand Prix next Saturday. It will be
英语新闻
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)
Solar power 太阳能 The third way 第三种方法 A new method of making electricity from sunlight has just been tested 一种从太阳光得到能源的新方法正在尝试 AT THE moment, there are two reliable ways to make electricity from sunli
经济学人综合
李华正在为朋友的生日party做准备，她生平第一次烤了一个蛋糕。今天李华会学到两个常用语：from scratch和all set. LH: Larry, 这是我烤的蛋糕，你尝尝。这可
美国之音《流行美语》
MADRID, Jan. 7 (Xinhua) -- FC Barcelona face one of the most difficult games of the season when they face city rivals Espanyol on Sunday night. Newly crowned World Club Champions, Barca travel to the Cornella-El Prat Stadium after starting the weeken
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音乐咖啡厅:Hey Monday - Set Off 相关介绍：Hey Monday是近来比较优秀的一支女声流朋乐队, 签约于Decaydance唱片公司, 成为Fall Out Boy, Panic at Disco, The Academy Is...等的同门师妹, 也是Decaydance旗下继The Hus
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