我们的现实世界和数字虚拟世界之间的边界已经变得越来越窄。李镇河是一名设计师兼工程师。他想让这两个世界完全溶和。在他简短而让人惊叹的演讲中,他做了如下演示来阐释他的想法:

发表于:2018-12-09 / 阅读(40) / 评论(0) 分类 TED公开课:头脑游戏

Bobby is a hero in a play. 波比在话剧里扮演一个英雄。 Help! Help! 救命啊!救命啊! How can I open the door? 我怎么才能打开这扇门? Bobby sees some numbers on the door. 波比看见门上有几个数字。 Is this the p

发表于:2018-12-13 / 阅读(49) / 评论(0) 分类 江苏译林版牛津小学英语(3起)五年级下册

AS IT IS 2014-02-23 World Digital Library Reaches 9,900 Items 世界数字图书馆达9900项 Hello and welcome to As It Is, from VOA Learning English! Im Steve Ember in Washington. The American space agency NASA launched its first Voyager spacecraft

发表于:2018-12-16 / 阅读(47) / 评论(0) 分类 2014年VOA慢速英语(三)月

Mr Ford:As all of you are well aware, competition in the laptop computer sector is intense. Mr Ford:We continue to fight with our competitors for market share, and this is the case both in the developed markets in the West, as well as more developing

发表于:2018-12-25 / 阅读(40) / 评论(0) 分类 纯正地道美语

Three days later, in the office lounge Nate:Guess what, Gilly? I won both bids. Gilly:Good for you. Did you use PayPal? Nate:Yeah. It was so easy and super-fast, once I figured it out. Gilly:That's the beauty of it, and the danger. Nate:I should get

发表于:2018-12-25 / 阅读(55) / 评论(0) 分类 Eztalk美语会话

Kids learn to count on their fingers, because theyre so, well, handy! And it makes sensemost number systems originally developed as people counted using their fingers. 小孩通过数手指来学习计数,因为这样确实非常方便。由此,最

发表于:2018-12-28 / 阅读(43) / 评论(0) 分类 初学者听力文摘精选

The Supermarket Numbers Game Have you ever gone to the store just for milk, but walked out with eight sale-priced cans of something youd never tasted and eight candy bars? How does that happen? Brian Wansink and colleagues have studied how people mak

发表于:2018-12-31 / 阅读(47) / 评论(0) 分类 英语听力文摘 English Digest

玛格丽特威特海姆领导的项目致力于利用编织技术由一位数学家发明来重现珊瑚礁的生物,在赞颂珊瑚礁惊艳之美的同时,也让人理解了珊瑚礁生物背后所蕴含的双曲线几何之美。

发表于:2019-01-05 / 阅读(118) / 评论(0) 分类 TED公开课:百字不如一数字

【标题】Module 8 第八模块 【标题】Unit 1 How many? 第一单元 有多少? 【标题】Activity 1 Listen and point. 活动1 听录音并指出。 【标题】One, two, three, four. 一,二,三,四。 【标题】One, two, three, f

发表于:2019-01-09 / 阅读(117) / 评论(0) 分类 外研社新标准小学英语(一起2012版)一年级上册

LULU GARCIA-NAVARRO, HOST: This past week, John Pace found the largest prime number known to humankind. JOHN PACE: Four, six, seven, three, three, three, one, eight, three, three, five, nine, two... GARCIA-NAVARRO: And that number goes on to more tha

发表于:2019-01-16 / 阅读(57) / 评论(0) 分类 2018年NPR美国国家公共电台1月

A new report says Arab countries face a serious food security challenge and that poverty rates are much higher than official numbers suggest. It blames the situation on vulnerability to volatile food prices, natural disasters and water scarcity. 一项

发表于:2019-01-18 / 阅读(59) / 评论(0) 分类 VOA双语新闻 2012年2月

U.S. President Barack Obama said the half-million jobs the U.S. lost in April are sobering. But he said it is somewhat encouraging that the losses are beginning to shrink. The president used the occasion to promote his education and job training prog

发表于:2019-01-19 / 阅读(30) / 评论(0) 分类 VOA双语新闻 2009年5月

A: Can you help me find a nice gift for my young niece? B: Barbie dolls are quite popular, you know. A: You're right. Girls love Barbie. Show me a Barbie doll. B: Take a look at the newest BarbieDigital Barbie. A: She's beautiful. What's the price fo

发表于:2019-01-20 / 阅读(102) / 评论(0) 分类 购物英语对话

53.concerns vt.涉及, 关系到 n.(利害)关系, 关心, 关注, 关注, 所关心的是 54.assemble vt.集合, 聚集, 装配 vi.集合 55.find fault v.挑剔 56.academics adj.学院的, 理论的

发表于:2019-02-03 / 阅读(56) / 评论(0) 分类 考研英语

Computers are great tools, but they can also be mystifying. Sometimes a program will just stop working correctly for no apparent reason. It could just be a random glitch that can be solved by restarting the machine. But sometimes the solution is not

发表于:2019-02-15 / 阅读(47) / 评论(0) 分类 英语时差8,16