[网络] 费米能级钉扎；费米能阶钉札机制；费米能阶钉住效应

unit10 The Art of Smart Guessing 巧妙猜测的艺术

The Art of Smart Guessing Several years ago, interviewing candidates for a job, I grew tired of asking What experience do you have? So I decided on a one-question quiz to find out how resourceful a thinker the new hire might be. Here it is: You are o

发表于:2018-12-07 / 阅读(70) / 评论(0)

午后咖啡

TED演讲:估算大数目的妙诀(1)

Whether you like it or not, we use numbers every day. 不管你喜不喜欢，我们每天都会用到数字。 Some numbers, such as the speed of sound, are small and easy to work with. 有些数字比如音速，数值不大，容易计算。 Other

发表于:2018-12-18 / 阅读(53) / 评论(0)

TED演讲教育篇

《英语流行话题阅读:语境识词4500》25 The Art of Smart Guessing

Unit 25 The Art of Smart Guessing Several days ago, interviewing job candidates, I grew tired of asking What experience do you have? I decided on a quiz to find out how resourceful a thinker the new hire might be. Here it is: You are on a yacht saili

发表于:2018-12-30 / 阅读(56) / 评论(0)

英语流行话题阅读：语境识词4500

汪培珽分级书单 An I Can Read Book level1-2 Hiccups

汪培珽的英文私房书单，适合从 0 开始的小朋友从头学英语。汪培珽分级书单 AnICanReadBooklevel1-2 （ PDF 文本下载）

发表于:2018-12-31 / 阅读(87) / 评论(0)

汪培珽分级书单 An I Can Read Book lev

名人轶事:Oppenheimer and Fermi

By Jerilyn Watson Broadcast: November 14, 2004 (THEME) VOICE ONE: I'm Sarah Long. VOICE TWO: And I'm Steve Ember with People in America in VOA Special English. Today we report about two scientists, J. Robert Oppenheimer and Enrico Fermi, who helped l

发表于:2019-01-02 / 阅读(72) / 评论(0)

名人轶事

PEOPLE IN AMERICA - Oppenheimer and Fermi

PEOPLE IN AMERICA - Oppenheimer and Fermi By Jerilyn Watson Broadcast: Sunday, November 14, 2004 (THEME) VOICE ONE: I'm Sarah Long. VOICE TWO: And I'm Steve Ember with People in America in VOA Special

发表于:2019-01-02 / 阅读(75) / 评论(0)

People in America

节奏布鲁斯:Mary J. Blige - Next Level

I said baby girl lighting up the room like the light's up You excite a nigger till you got me feeling niced up Everything about it feels amazing spiced up Hot and steamy like my mother cooked a little white soup See that 20 karats please get a priced

发表于:2019-01-11 / 阅读(75) / 评论(0)

节奏布鲁斯

VOA慢速英语2009-People in America - Oppenheimer and Fermi: T

VOICE ONE: I'm Sarah Long. VOICE TWO: And I'm Steve Ember with People in America in VOA Special English. Today we report about two scientists, J. Robert Oppenheimer and Enrico Fermi, who helped lead the world into the nuclear age. VOICE ONE: It is J

发表于:2019-01-11 / 阅读(95) / 评论(0)

VOA慢速英语2009年（六）月

英文歌曲：Mary J. Blige - Next Level

发表于:2019-01-14 / 阅读(77) / 评论(0)

节奏布鲁斯

第492期:英语美文-A New Level of Thinking

英语美文-A New Level of Thinking 《早餐英语》曾经给大家分享过《高效能人士的7个习惯》，今天我们想再给大家分享一下这一本书的另外一些篇章。今天这段文字很宝贵的地方就在于告诉我们要跳

发表于:2019-01-17 / 阅读(64) / 评论(0)

卡卡课堂早餐英语

英语听力文摘 English Digest 458、外太空有人吗

The Fermi Paradox Back in 1950, the Nobel prize-winning physicist Enrico Fermi was having lunch with friends. Conversation turned to the possibility of extraterrestrial life. According to the popular story, Fermi fell silent for a moment and then ask

发表于:2019-01-26 / 阅读(70) / 评论(0)

英语听力文摘 English Digest

学个词Learn a Word 第914期 level off

今天我们要学的词是level off。 To level off, 是稳定下来的意思。 At some major banks, the number of bad loans is starting to level off, 一些大银行的坏帐案例正在逐步稳定下来。最新研究发现， U.S. obesity rate

发表于:2019-01-31 / 阅读(94) / 评论(0)

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美国习惯用语 Lesson 215 - On the Level / Kosher

今天要讲的两个习惯用语并不是由同样一个关键的字组成的，然而，它们具有相同的意思。也就是诚实，真实等。今天我们要讲的第一个习惯用语就是：

发表于:2019-01-31 / 阅读(149) / 评论(0)

美国习惯用语

流行美语第123课 - to level with someone / clueless

Larry和李华正在乘公共汽车去公园去溜冰。今天李华会学到两个常用语：to level with someone和clueless. (Local traffic) LL: I have to level with you, Li Hua. I'm not very fond

发表于:2019-01-31 / 阅读(92) / 评论(0)

美国之音《流行美语》

2007年VOA标准英语-Rio Pinning Olympic Hopes on Pan Am Games

By David Byrd Rio de Janeiro 13 July 2007 The 15th Pan American Games, a multi-sport Olympic style competition for the Western Hemisphere, open Friday in Rio de Janeiro, Brazil. As VOA's David Byrd reports, the games are part of Rio's plan to bid for

发表于:2019-02-04 / 阅读(112) / 评论(0)

2007年VOA标准英语（七月）

每日一词【914】level off：稳定下来

发表于:2019-02-05 / 阅读(88) / 评论(0)

英语每日一词

certain foods key to lowering cholesterol level

BEIJING, Aug. 24 (Xinhuanet)-- A new study shows that a diet rich in cholesterol-friendly foods, such as soy products and tree nuts, can decrease LDL (bad) cholesterol significantly, according to media reports on Tuesday. The study, published in the

发表于:2019-02-08 / 阅读(116) / 评论(0)

英语新闻

U.S. finds low levels of radiation in milk

WASHINGTON, March 30 (Xinhua) -- A trace amount of radioactive(辐射性的) iodine（碘） has been found in a sample of milk from the west state of Washington, the U.S. Environmental Protection Agency and the Food and Drug Administration (FDA) sai

发表于:2019-02-11 / 阅读(91) / 评论(0)

英语新闻

TED演讲:漫谈时光流逝(1)

You all know this story. 你们都知道这个故事. In the summer of 1950, 在1950年的夏天, Enrico Fermi, the Italian-American physicist Enrico Fermi, 美籍意大利心理学家 and atomic-pile builder, 和原子堆创造者 went to lunch at L

发表于:2019-02-14 / 阅读(61) / 评论(0)

TED演讲科学篇

英语听力文摘 English Digest 174、费尔米悖论

Weve recently been talking about the Fermi Paradox, attributed to Nobel-winning physicist Enrico Fermi. According to reasonable estimates of how many stars have planets, how many planets may be suitable for the evolution of organisms, and so on, our

发表于:2019-02-24 / 阅读(72) / 评论(0)

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