This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Many scientists draw their concepts.For example, if we look at the work of somebody like Maxwell or Faradywe know they drew as part of their inventing

发表于:2018-12-24 / 阅读(70) / 评论(0) 分类 Scientific American(八)月

2012年12月8日雅思听力考试回忆 12月8日雅思听力考情一旧三新 Section 1: 租房子的,全填空比较tricky的是第十题是两个空 同:V09131S1 Section 2:Guide of the United States (map) 关于美国的旅游景点,不同的

发表于:2019-01-08 / 阅读(75) / 评论(0) 分类 雅思机经

The Battle of the GUI 图形用户界面之争 At that time, Microsoft was producing an operating system, known as DOS, 微软当时已经开发出了DOS操作系统, which it licensed to IBM and compatible computers. 并授权给IBM和兼容电脑使

发表于:2019-02-15 / 阅读(45) / 评论(0) 分类 乔布斯传

Now, have any of y'all ever looked up this word? 好,你们中有谁查过这个单词? You know, in a dictionary? Yeah, that's what I thought. 用字典?是的,我想也就这个样子。 How about this word? Here, I'll show it to you. 这个单

发表于:2019-03-04 / 阅读(106) / 评论(0) 分类 TED演讲教育篇