[网络] 离散布线技术

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(159) / 评论(0)

Scientific American(二)月

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(113) / 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(120) / 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(170) / 评论(0)

美国偶像 American Idol

英语俚语天天说第109期:down to the wire直到最后一刻;最后关头

【俚语】 down to the wire 直到最后一刻；直到最后关头这一习惯用语来自号称皇家运动的赛马: down to the wire。这里的wire指赛马跑道终点拉的终点线。它在几乎不相上下的竞赛中有助于判断究竟谁

发表于:2019-01-17 / 阅读(161) / 评论(0)

英语俚语天天说

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(155) / 评论(0)

经济学人文艺系列

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(135) / 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(117) / 评论(0)

实用英语

学个词Learn a Word 第586期 Down to the wire

今天我们要学的词是down to the wire。 Down to the wire, 是直到最后一刻的意思。美国总统大选已经进入倒数计时，星期二一大早，全美各地的投票站就要开门了。 Presidential candidates McCain and Obama ar

发表于:2019-02-04 / 阅读(151) / 评论(0)

英语单词荟萃

美国习惯用语:463 down to the wire...

今天我们还要学几个美国总统大选中常用的习惯用语。我们曾经说过，英语词汇很多都来自体育运动。今天要学的第一个习惯用语就来自号称皇家运动的赛马: down to the wire。这里的wire指赛马跑

发表于:2019-02-04 / 阅读(192) / 评论(0)

美国习惯用语

每日一词【586】down to the wire：直到最后一刻

发表于:2019-02-04 / 阅读(153) / 评论(0)

英语每日一词

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(136) / 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(145) / 评论(0)

实用英语

英语听力—环球英语 1244 Dancing on a Wire

Voice 1 Welcome to Spotlight. Im Adam Navis. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 It is August 7, 1974. A man stands

发表于:2019-02-14 / 阅读(166) / 评论(0)

环球英语 Spotlight

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(104) / 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(116) / 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(213) / 评论(0)

阅读空间

英语听力文摘 English Digest 224、电线上的小鸟 Bird on a Wire

Bird on a Wire 当我们行走在马路上时，经常可以看到成群的麻雀或乌鸦停落在几万伏的高压电线上，它们不仅不会触电，而且一个个显得悠闲自得。可是，你也知道，如果有人不小心碰到高压线

发表于:2019-02-24 / 阅读(150) / 评论(0)

英语听力文摘 English Digest

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(189) / 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(138) / 评论(0)

TED演讲教育篇

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学英语单词

basic transportation reference