单词：syndyotactic polymer
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TEXT Seen through the eyes of a young friend Einstein was a simple, modest and ordinary man. The professor and the Yo-yo My father was a close friend of Albert Einstein. As a shy young visitor to Einstein's home, I was made to feel at ease when Einst
大学英语精读第二册
The Eentsy, Weentsy Spider （一只小蜘蛛） The eentsy, weentsy spider 一只小蜘蛛， Went up the water spout, 顺着水槽爬上来。 Down came the rain 突然下起了雨， And washed the spider out， 小蜘蛛被雨水冲下去。 Out
我的第一本英语儿歌
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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June 6 is National Yo-Yo Day. This is the date of birth of the man who popularized yo-yos in the USA. His name was Donald Duncan and he got into the yo-yo business in 1930. Of course there were ups and downs before yo-yoing became an American pastime
英语课程学习计划和讲义
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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Ayo Technology《哎哟 技术》望远镜偷偷看 她的表现就像花痴 演唱者：50cents nympho，大概就相当于汉语里的花痴，学个词也不错 英文歌词 something special, unforgetable, 50 cent (cent), justin (tin), simple cle
英语说唱歌曲
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)
Your child's vocabulary at age two could reveal their future success, researchers have claimed. 研究人员声称，你家孩子两岁时的词汇量会揭示未来的成功。 They found children with better academic and behavioural functioning whe
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Let's chant Let's sing
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Let's chant Let's sing