In order to convert this opaque, 90,000 hours of video into something that we could start to see, 为了把这个9万小时的录像变成我们能识辨的东西 we use motion analysis to pull out, as we move through space and through time, what we

发表于:2018-12-19 / 阅读(40) / 评论(0) 分类 TED演讲教育篇

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. On the June 30th podcast, you heard some bad singing. Clearly a lot of people think they can sing, just look at the enormous crowds that show up to auditio

发表于:2019-01-08 / 阅读(53) / 评论(0) 分类 Scientific American(七)月

Interesting sound. I would have guessed a Wild West performer was practicing with a bullwhip while also vacuuming. But no. That sound [SOUND] is apparently produced by the aurora borealis, the northern lights. [SOUND] Since 2000 researchers at Finlan

发表于:2019-01-08 / 阅读(59) / 评论(0) 分类 Scientific American(七)月

How Does One Find a Meteorite? 如何找到陨石? Editor's Note: The annual Perseid meteor shower will peak in the skies over Earth on the night of Aug. 12-13. Despite a bright moon supermoon, there should still be a good show from this prolific sho

发表于:2019-01-12 / 阅读(39) / 评论(0) 分类 2014年VOA慢速英语(八)月

就算我尸变 他也不能杀我 He can't kill me,even if I turn. 里面没写一人有了女友怎么办吗 Is there anything in there about if one of you gets a girlfriend? 没有 那个有点太不着调了 No,that seemed a little farfetched. 谢尔

发表于:2019-01-28 / 阅读(38) / 评论(0) 分类 生活大爆炸第三季

aberration :: wandering or staying away; in optics, failure of rays to focus abettor :: encourager abeyance :: suspended action ablution :: washing abnegation :: repudiation; self-sacrifice abstinence :: restraint from eating or drinking accessory ::

发表于:2019-02-14 / 阅读(52) / 评论(0) 分类 英文语法词汇