单词：bead sleeker
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Here's the key part. 接下来是关键的部分。 The solution nearest the wall spins faster than the solution closer to the middle. 离试管壁最近的溶液，要比中间的溶液旋转得更快。 That difference in velocity creates sheer str
TED演讲教育篇
It was a species of Tyrannosaur. 这是暴龙的一种。 That suggested to us, well, maybe these Tyrannosaur teeth are in fact from animals that are trampling the bodies of these things as they eat them. 那就表明，也许这些暴龙牙齿是它们
侏罗纪搏击俱乐部
These were big but really fast hunters. They were as bad as it got for a while. 这些巨大但速度很快的猎手。有一段时间它们要多坏有多坏。 Albertosaurus would have been a very fearsome predator. 阿尔伯特龙会是非常可怕的
侏罗纪搏击俱乐部
He's got a big, thick bull-dog head and it's perfectly designed for grasping prey and crushing it. 它有着牛头犬一样又大又壮的脑袋，其设计非常适合抓住并且咬碎猎物。 His teeth are also designed to take a lot more pressur
侏罗纪搏击俱乐部
Over the next 90 million years, a new era called the Cretaceous period dawned. 在接下来的九千万年里，开始了一个叫做白垩纪的新时期。 Broader-leaf plants that could tolerate seasonal weather changes covered the land. 能够忍受
侏罗纪搏击俱乐部
Boys just____ for the____ of it but girls will not waste___ on competition unless it pays. A Canadian study has___. Rose and Roy from the Gill University in Montreal and her colleagues got forty groups of four boys and four girls aged five to six or
听听测测
bead, [bi:d] n 珠子，水珠，准星 【例】She wore a string of beads 她挂了一串珠子。 有孔小珠; 念珠 水珠; 水泡 算盘; (枪的)准星 【建】凸圆线脚, 串珠线脚 【机】卷边; 车轮圆缘 焊珠, 焊蚕, 焊缝; 叠
不择手段背单词
When Jack bowed to someone, he always did it at lightening speed. You shouldn't wait any longer after he has had his head nod. So he was blamed for no manners. Then some warmhearted men taught him,
英汉幽默故事选读
So after months of rumors and speculation, the wraps have finally come off Apple's latest big idea. At a launch in San Francisco, the iPad was fanfared with typical Apple hype. It's unbelievably great, way better than a laptop, way better than a smar
万花筒2010年
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. In theory, scientists could learn a lot about our health by testing tiny amounts of bodily fluidsa drop of blood, a tear, a bead of sweat. But somethin
Scientific American(十一)月
VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Barbara Klein. Beadwork has a long history as an art form practiced by American Indians and other cultures around the world. Today millions of people e
VOA慢速英语2009年（五）月
US Bead Parties Boost Ugandan Women Its party time for Madison Blandford and three dozen of her girlfriends. The 11-year-old invited her classmates and neighbors to see - and buy - beaded jewelry made by women in Uganda. My grandma got me a bracelet,
VOA标准英语2012年(七月)
1. What is Mardi Gras?Mardi Gras 是什么呢? Mardi Gras 的由来是在于天主教徒在复活节之前会有斋戒的仪式, 在这个斋戒之前呢? 当然要好好的大吃大喝一番了, 所以 Mardi Gras 就这样生成了. 通常在 Mardi
英语口语
KELLY MCEVERS, HOST: One of nature's most efficient life support systems is the egg. And over millions of years, eggs have taken on lots of different shapes, especially among birds. Biologists have been trying to figure out for a long time why that i
2017年NPR美国国家公共电台6月
Innovative Electric Aircraft Win Green Flight Challenge We often hear about hybrid cars, which run in part on electricity and can travel about 20 kilometers on a liter of fuel. Engineers are also experimenting with another mode of electric transporta
VOA标准英语2011年(十月)
每年，《时代周刊》都选出让世界更美好、更智能、更有趣的发明。今年的也能让你大吃一惊哦！ 1.The Levitating Lightbulb 1.悬浮灯泡 Since he was a child, Simon Morris has been obsessed with making objects float
阅读空间
A new report has revealed that Apple plans to launch three handsets this year - two will be updates of the iPhone 7 family and the third is the 10th-anniversary handset -- iPhone 8. 一份最新报告显示，苹果公司计划今年推出3部手机-
英语新闻