离散时间指数

CNN 2012-03-29

From the highest court in the United States to the lowest point on the planet, weve got it covered in todays edition of CNN Student News. Im Carl Azuz. Lets go. First up, the first arguments about President Obamas health care reform law. The U.S. Sup

发表于:2018-12-02 / 阅读(93) / 评论(0)

CNN2012年(三)月

SSS 2008-02-25

Transcript This is Scientific American's 60-Second Science, I am Cynthia Graber.This will just take a minute. Physicists at the Brookhaven National Laboratory have been able to send information ahead of particle beams racing at nearly the speed of li

发表于:2018-12-24 / 阅读(118) / 评论(0)

Scientific American(二)月

万物简史第5期:引言(5)

My own starting point, for what it's worth, was an illustrated science book that I had as a classroom text when I was in the fourth or fifth grade. 我写本书的最初灵感，不管其价值如何，来自我在念小学四、五年级时有过的一

发表于:2019-01-01 / 阅读(55) / 评论(0)

万物简史

TED演讲:医学的未来?也许是手机上的一个应用程序(1)

A couple of years ago when I was attending the TED Conference in Long Beach, 几年前我参加在长滩TED会议的时候， I met Harriet. 我遇到了哈里特。 We'd actually met online before not the way you're thinking. 实际上我们以前在网

发表于:2019-01-03 / 阅读(85) / 评论(0)

TED演讲科学篇

麻省理工学院公开课：单变量微积分06：指数与对数函数导数、对数微分法

分集介绍：指数,log,对数微分;双曲函数 Exponential.and.log.Logarithmic.differentiation;.hyperbolic.functions

发表于:2019-01-05 / 阅读(383) / 评论(0)

麻省理工学院公开课：单变量微积分

英语语法：64 If Versus Whether

Grammar Girl here. Today's topic is whether--not rain or sunshine, but whether w-h-e-t-h-e-r, as in whether you like it or not, it's the topic. [Listener question about if versus whether and whether you need an or not after whether] Well, it's been a

发表于:2019-01-07 / 阅读(84) / 评论(0)

英语语法 Grammar Girl

克服演讲紧张的5种方法

Most people feel nervous prior to giving a speech. This is human nature and indeed some degree of nerves is absolutely essential to remain alert and deliver the speech clearly. However nerves do become a problem if they are debilitating in any way. T

发表于:2019-01-08 / 阅读(57) / 评论(0)

英语小短文

美国偶像 Everybody Knows

Everybody knows that the dice are loaded 每个人都知道骰子被灌了铅 Everybody rolls with their fingers crossed 每个人都知道跟着他们手指的方向走 Everybody knows that the war is over 每个人都知道战争已经结束 Everyb

发表于:2019-01-10 / 阅读(133) / 评论(0)

美国偶像 American Idol

经济学人111:腹地美景 A hinterland beauty

Books and Arts; American art museums; A hinterland beauty; 文艺；书评；美国艺术博物馆; 腹地美景; Moshe Safdie and some intelligent curatorial work have produced a rural gem; 摩西萨夫迪和一些聪明的策展工作创造了一个田

发表于:2019-01-27 / 阅读(126) / 评论(0)

经济学人文艺系列

访谈录法国戛纳电影节开幕前再发生珠宝劫案

Tonight on the posh French reverie, a final preps is underway, as the Cannes Film Festival is about to kick off, and there is a hunt on for some jewel thieves. This is a time when the small town is a big target for thieves, looking the cash in big ti

发表于:2019-01-29 / 阅读(87) / 评论(0)

访谈录2015年

德国杂志揭示了美国国家安全局黑客入侵手段

德国杂志揭示了美国国家安全局黑客入侵手段 LONDON - A German magazine lifted the lid on the operations of the National Security Agency's hacking unit Sunday, reporting that American spies intercept computer deliveries, exploit hardw

发表于:2019-01-31 / 阅读(86) / 评论(0)

英语新闻

大数据如何影响中国娱乐业

A major conference, The 2015 Conference on Big Data Index of Culture and Entertainment Industry, was held on Friday in Beijing, during which awards were given to the most talked about TV series, online dramas, movies and variety shows in China. Stand

发表于:2019-02-01 / 阅读(80) / 评论(0)

实用英语

听歌学英语：众所周知 Everybody Knows

Everybody knows that the dice are loaded 每个人都知道骰子被灌了铅 Everybody rolls with their fingers crossed 每个人都为自己的命运捏了一把汗 Everybody knows that the war is over 每个人都知道战争已经结束 Everybody

发表于:2019-02-01 / 阅读(77) / 评论(0)

听歌学英语

微电子辞典-4

Dangling bonds 悬挂键 Dark current 暗电流 Dead time 空载时间 Debye length 德拜长度 De.broglie 德布洛意 Decderate 减速 Decibel (dB) 分贝 Decode 译码 Deep acceptor level 深受主能

发表于:2019-02-05 / 阅读(106) / 评论(0)

实用英语

战胜抑郁你能行

You Can Beat Depression by William Thomas Buckley Depression has always been considered a disease of life's middle or later years, but doctors are now reporting a surprising surge in cases among younger people. Why is depression striking earlier and

发表于:2019-02-07 / 阅读(123) / 评论(0)

实用英语

考研英语完形填空高分实战策略

考研 http://www.kuakao.com/完型，大家都非常熟悉的题型，但在这一部分，真正得高分同学非常少，因为它非常难。难就难在我们大家必须要掌握雄厚的语言基础实力和理解上下文语句的逻辑推理和

发表于:2019-02-17 / 阅读(78) / 评论(0)

考研英语

男人每隔多久就会“性”趣盎然？

It's a stat that gets bounced around as e-mail-forward wisdom: men think about sex every seven seconds. Even when the idea lacks this mythical specificity and grandiosity (that's 7,200 times a day!), the idea that men think about sex basically all th

发表于:2019-02-17 / 阅读(92) / 评论(0)

阅读空间

1959: The Year That Changed Everything

1959: The Year That Changed Everything A crowd gathers in New York's Times Square to usher in the New Year, 1959. The importance of what future met them that year is still being debated. How Significant Will 2009 Appear in the Lens of History? Jeff G

发表于:2019-02-18 / 阅读(177) / 评论(0)

阅读空间

TED演讲：重新定义字典(1)

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(155) / 评论(0)

TED演讲教育篇

TED演讲:一段精神疾病的传奇--从内心看起(5)

For years, I had resisted medication, making many, many efforts to get off. 这些年来，我一直反对用药，为此会付出一切。 I felt that if I could manage without medication, 我感觉到我不服用药物也可以保持 I could prove

发表于:2019-03-04 / 阅读(108) / 评论(0)

TED演讲教育篇

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

anchored bulkhead abutment