三心定理, Aronhold-Kennedy定理，三心定理

PBS高端访谈:参议员梅南德兹贪腐案流审

Judy Woodruff: Now back to the mistrial declared today in the federal bribery case against New Jersey's U.S. Senator Bob Menendez. John Yang is back with that. John Yang: Thanks, Judy. Senator Menendez had been charged with 18 counts. Prosecutors sai

发表于:2018-12-05 / 阅读(140) / 评论(0)

PBS访谈社会系列

初中英语山东版九年级--Unit 11

He lost his arm in 2003, [00:05.87]but he has learned to do without it. [00:08.74]Section 1 Before You Read [00:12.46]PAIRWORK [00:14.62]1 Accidents can sometimes happen more [00:17.57]when we do sports. [00:19.18]Write the letter of each sport next

发表于:2018-12-10 / 阅读(202) / 评论(0)

初中英语山东版九年级（全一册）

John. F. Kennedy

By Nancy Steinbach Broadcast: November 16, 2003 (THEME) ANNCR: Welcome to the VOA Special program English People in America. Today, Steve Ember and Sarah Long tell the story of President John Fitzgera

发表于:2018-12-18 / 阅读(152) / 评论(0)

VOA2003（下）-美国人文故事

约翰.肯尼迪之死(The Death of John F. Kennedy)

For those under age 45 or so, November 22 is probably just another day. 对于那些45岁以下的人来说，11月22日也许就是个平凡的日子。 On November 22, 1963, when he was hardly past

发表于:2019-01-04 / 阅读(219) / 评论(0)

阅读空间

独臂攀岩者--化逆境为机会

All right, 8 minutes before the top of the hour, the lives of those affected by hurricane Katrina will never be the same, we know that. But our next guest says this can be an opportunity for a positiv

发表于:2019-01-06 / 阅读(174) / 评论(0)

访谈录

AS IT IS 2016-08-25 For People Too Busy to Garden, FarmBot Can Help

AS IT IS 2016-08-25 For People Too Busy to Garden, FarmBot Can Help In a small home garden, about 1.5 meters wide and 3 meters long, a robotic device called the FarmBot is busy planting vegetable seeds. The FarmBot will control the soils moisture, wa

发表于:2019-01-12 / 阅读(166) / 评论(0)

2016年VOA慢速英语(八)月

PBS高端访谈:音乐培训项目的启动使年轻人受益

JOSH ARONSON: Vianey Calixto lives in one of the poorest neighborhoods of Los Angeles and like many of her friends she was struggling in school. Vianeys interest in learning music prompted her parents to enroll her in a music program in their neighbo

发表于:2019-01-17 / 阅读(150) / 评论(0)

PBS访谈教育系列

PBS高端访谈:年轻的大脑受益于音乐训练

发表于:2019-01-27 / 阅读(149) / 评论(0)

PBS访谈娱乐系列

电话英语—等候与回电(3-2)

Dialogue A (A：Dave Kennedy B：Receiver) A：Hello．Is this 985-6634？ B：Yes．You have the right numbr． A：Please connect me with Mr．Lee． B：Who is calling，please？ A：This is Dave

发表于:2019-02-01 / 阅读(146) / 评论(0)

实用英语

数学常用短语与从句

数学常用短语与从句 Phrases or clauses frequently used in mathematics 常见的涉及运算的短语或句子 1. Differentiate both sides of the equation and we get... Integrate both sides of the equation and we get... 2. Differentiating both sides of the equatio

发表于:2019-02-07 / 阅读(166) / 评论(0)

英文语法词汇

音乐咖啡厅:one better(流行乐小王子aaron carter)

一首非常好听的歌曲，来自被誉为流行乐小王子的aaron carter！英文歌词: Give me half the chance I'll make you understand that now I got to give so much more to this than you'll ever know I don't say whats on my mind but you'll find this out in time tha

发表于:2019-02-07 / 阅读(194) / 评论(0)

音乐咖啡厅

地道美语听力播客:Getting Through on the Phone

I have been trying to get a meeting with the CEO of Medofact to talk about a partnership between our company and theirs. But I've had a hard time trying to get through on the phone. First, there was the phone tree. I had to go through three menus bef

发表于:2019-02-07 / 阅读(128) / 评论(0)

地道美语播客

英语单词大师：In America, Struggling ...

AA: I'm Avi Arditti with Rosanne Skirble and this week on Wordmaster: talking about disabilities. RS: Mark Aronoff is a linguist at Stony Brook University on Long Island, New York. He says over the last twenty years, it's become difficult to find a m

发表于:2019-02-14 / 阅读(105) / 评论(0)

英语单词大师-Word Master

英语单词大师：'Correct' Terminology

发表于:2019-02-14 / 阅读(117) / 评论(0)

英语单词大师-Word Master

2007年VOA标准英语-Conservatives Hold Edge on US Supreme Court

By Jim Fry Washington 11 July 2007 Supreme Court Justices, with Justice Anthony Kennedy pictured in center Conservative judges now dominate the U.S. Supreme Court. In the first full term since two of President Bush's appointees took their seats, ruli

发表于:2019-02-18 / 阅读(267) / 评论(0)

2007年VOA标准英语（七月）

等候与回电

Key Sentences(重点句子) 36．Yes．You have the right number．是的，您打对了。 37．Please connect me with Mr．Lee．请帮我接李先生。 38．Who is calling，please？请问您是哪一位？ 39．Are you still on the line？你

发表于:2019-02-18 / 阅读(138) / 评论(0)

实用英语

全英最孤独小学生：整所学校只有他1个人！

He's always the first to arrive through the school gates in the morning and the last to leave. Hes always picked to answer the teachers questions and hes always without fail top of the form. 他永远是早上第一个到的学校，晚上最晚走的一

发表于:2019-02-18 / 阅读(133) / 评论(0)

阅读空间

经济学人309:IT企业的未来

Business 商业报道 The future of corporate IT IT企业的未来 Surfing a digital wave, or drowning? 数字时代浪头的弄潮儿还是浪下溺死鬼？ Information technology is everywhere.For companies'IT departments, that is a mixed blessing

发表于:2019-02-18 / 阅读(141) / 评论(0)

经济学人商业系列

Johnny Depp Joining Angelina Jolie In The Tourist

Johnny Depp Joining Angelina Jolie In The Tourist Every tourist has some war stories. The thriller remake The Tourist, from Graham King's GK Films, has run into another set of hiccoughs, with major players moving around like luggage on a conveyor. Ma

发表于:2019-02-18 / 阅读(175) / 评论(0)

阅读空间

美国国家公共电台 NPR In 'Roma,' A Director Re-Creates The City — And The Caretaker — Of His Youth

STEVE INSKEEP, HOST: The Oscar-winning director who stranded us in space and transported us to Hogwarts now invites audiences into his childhood home. Alfonso Cuaron's new film Roma is named for the middle-class neighborhood in Mexico City where he g

发表于:2019-02-21 / 阅读(181) / 评论(0)

2018年NPR美国国家公共电台12月

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alpha-blocker hemolysin

arecoline hydrobromide